[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:01.84,0:00:03.60,Default,,0000,0000,0000,,So I thought I'd talk about identity. Dialogue: 0,0:00:03.63,0:00:06.04,Default,,0000,0000,0000,,That's sort of an\Ninteresting enough topic to me. Dialogue: 0,0:00:06.06,0:00:09.21,Default,,0000,0000,0000,,And the reason was,\Nbecause when I was asked to do this, Dialogue: 0,0:00:09.24,0:00:12.78,Default,,0000,0000,0000,,I'd just read, in one of the papers,\NI can't remember, Dialogue: 0,0:00:12.80,0:00:16.18,Default,,0000,0000,0000,,something from someone at Facebook\Nsaying, well, Dialogue: 0,0:00:16.20,0:00:17.82,Default,,0000,0000,0000,,"we need to make everybody\Nuse their real names." Dialogue: 0,0:00:17.84,0:00:20.18,Default,,0000,0000,0000,,and then that's basically\Nall the problems solved. Dialogue: 0,0:00:20.20,0:00:22.12,Default,,0000,0000,0000,,And that's so wrong, Dialogue: 0,0:00:22.15,0:00:26.07,Default,,0000,0000,0000,,that's such a fundamentally,\Nreactionary view of identity, Dialogue: 0,0:00:26.09,0:00:28.47,Default,,0000,0000,0000,,and it's going to get us\Ninto all sorts of trouble. Dialogue: 0,0:00:28.50,0:00:29.83,Default,,0000,0000,0000,,And so what I thought I'd do Dialogue: 0,0:00:29.85,0:00:33.83,Default,,0000,0000,0000,,is I'll explain four\Nsort of problems about it, Dialogue: 0,0:00:33.86,0:00:35.80,Default,,0000,0000,0000,,and then I'll suggest a solution, Dialogue: 0,0:00:35.82,0:00:37.87,Default,,0000,0000,0000,,which hopefully you\Nmight find interesting. Dialogue: 0,0:00:37.89,0:00:39.92,Default,,0000,0000,0000,,So just to frame the problem, Dialogue: 0,0:00:39.94,0:00:41.51,Default,,0000,0000,0000,,what does authenticity mean? Dialogue: 0,0:00:41.53,0:00:46.60,Default,,0000,0000,0000,,That's me, that's\Na camera phone picture of me Dialogue: 0,0:00:46.62,0:00:47.58,Default,,0000,0000,0000,,looking at a painting. Dialogue: 0,0:00:47.60,0:00:48.34,Default,,0000,0000,0000,,[What's the Problem?] Dialogue: 0,0:00:48.37,0:00:49.48,Default,,0000,0000,0000,,That's a painting that was painted Dialogue: 0,0:00:49.50,0:00:51.52,Default,,0000,0000,0000,,by a very famous forger, Dialogue: 0,0:00:51.54,0:00:53.78,Default,,0000,0000,0000,,and because I'm not very good\Nat presentations, Dialogue: 0,0:00:53.81,0:00:56.52,Default,,0000,0000,0000,,I already can't remember the name\Nthat I wrote on my card. Dialogue: 0,0:00:56.54,0:01:00.40,Default,,0000,0000,0000,,And he was incarcerated\Nin, I think, Wakefield Prison Dialogue: 0,0:01:00.42,0:01:03.96,Default,,0000,0000,0000,,for forging masterpieces by,\NI think, French Impressionists. Dialogue: 0,0:01:03.99,0:01:07.14,Default,,0000,0000,0000,,And he's so good at it,\Nthat when he was in prison, Dialogue: 0,0:01:07.17,0:01:08.52,Default,,0000,0000,0000,,everybody in prison,\Nthe governor and whatever, Dialogue: 0,0:01:08.54,0:01:11.37,Default,,0000,0000,0000,,wanted him to paint masterpieces\Nto put on the walls, Dialogue: 0,0:01:11.39,0:01:12.66,Default,,0000,0000,0000,,because they were so good. Dialogue: 0,0:01:12.68,0:01:14.04,Default,,0000,0000,0000,,And so that's a masterpiece, Dialogue: 0,0:01:14.07,0:01:16.04,Default,,0000,0000,0000,,which is a fake of a masterpiece, Dialogue: 0,0:01:16.07,0:01:22.70,Default,,0000,0000,0000,,and bonded into the canvas is a chip\Nwhich identifies that as a real fake, Dialogue: 0,0:01:22.73,0:01:24.24,Default,,0000,0000,0000,,if you see what I mean. Dialogue: 0,0:01:24.26,0:01:25.43,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:01:25.45,0:01:27.67,Default,,0000,0000,0000,,So when we're talking about authenticity, Dialogue: 0,0:01:27.70,0:01:33.13,Default,,0000,0000,0000,,it's a little more fractal than it appears\Nand that's a good example to show it. Dialogue: 0,0:01:33.16,0:01:37.12,Default,,0000,0000,0000,,I tried to pick four problems\Nthat will frame the issue properly. Dialogue: 0,0:01:37.14,0:01:38.66,Default,,0000,0000,0000,,So the first problem, I thought, Dialogue: 0,0:01:38.69,0:01:40.22,Default,,0000,0000,0000,,Chip and PIN, right? Dialogue: 0,0:01:40.24,0:01:41.73,Default,,0000,0000,0000,,[Banks and legacies\Nbringing down the system from within] Dialogue: 0,0:01:41.75,0:01:42.60,Default,,0000,0000,0000,,[Offline solutions do not work online] Dialogue: 0,0:01:42.62,0:01:45.22,Default,,0000,0000,0000,,I'm guessing everyone's got\Na chip and PIN card, right? Dialogue: 0,0:01:45.24,0:01:46.98,Default,,0000,0000,0000,,So why is that a good example? Dialogue: 0,0:01:47.01,0:01:50.46,Default,,0000,0000,0000,,That's the example of how\Nlegacy thinking about identity Dialogue: 0,0:01:50.48,0:01:53.38,Default,,0000,0000,0000,,subverts the security\Nof a well-constructed system. Dialogue: 0,0:01:53.40,0:01:56.17,Default,,0000,0000,0000,,That chip and PIN card\Nthat's in your pocket Dialogue: 0,0:01:56.19,0:01:59.41,Default,,0000,0000,0000,,has a little chip on it\Nthat cost millions of pounds to develop, Dialogue: 0,0:01:59.43,0:02:00.99,Default,,0000,0000,0000,,is extremely secure, Dialogue: 0,0:02:01.01,0:02:03.25,Default,,0000,0000,0000,,you can put scanning\Nelectron microscopes on it, Dialogue: 0,0:02:03.27,0:02:05.42,Default,,0000,0000,0000,,you can try and grind it down,\Nblah blah blah. Dialogue: 0,0:02:05.45,0:02:08.91,Default,,0000,0000,0000,,Those chips have never been broken,\Nwhatever you read in the paper. Dialogue: 0,0:02:08.94,0:02:12.15,Default,,0000,0000,0000,,And for a joke,\Nwe take that super-secure chip Dialogue: 0,0:02:12.17,0:02:15.66,Default,,0000,0000,0000,,and we bond it to a trivially\Ncounterfeitable magnetic stripe Dialogue: 0,0:02:15.69,0:02:19.28,Default,,0000,0000,0000,,and for very lazy criminals,\Nwe still emboss the card. Dialogue: 0,0:02:19.31,0:02:22.79,Default,,0000,0000,0000,,So if you're a criminal in a hurry\Nand you need to copy someone's card, Dialogue: 0,0:02:22.82,0:02:24.99,Default,,0000,0000,0000,,you can just stick a piece of paper on it\Nand rub a pencil over it Dialogue: 0,0:02:25.02,0:02:26.88,Default,,0000,0000,0000,,just to sort of speed things up. Dialogue: 0,0:02:26.90,0:02:29.97,Default,,0000,0000,0000,,And even more amusingly,\Nand on my debit card too, Dialogue: 0,0:02:29.100,0:02:32.36,Default,,0000,0000,0000,,we print the name and the SALT code\Nand everything else on the front too. Dialogue: 0,0:02:32.39,0:02:35.70,Default,,0000,0000,0000,,Why? Dialogue: 0,0:02:35.72,0:02:39.81,Default,,0000,0000,0000,,There is no earthly reason why your name\Nis printed on a chip and PIN card. Dialogue: 0,0:02:39.83,0:02:41.44,Default,,0000,0000,0000,,And if you think about it, Dialogue: 0,0:02:41.47,0:02:44.56,Default,,0000,0000,0000,,it's even more insidious and perverse\Nthan it seems at first. Dialogue: 0,0:02:44.59,0:02:46.38,Default,,0000,0000,0000,,Because the only people that benefit Dialogue: 0,0:02:46.40,0:02:48.95,Default,,0000,0000,0000,,from having the name\Non the card are criminals. Dialogue: 0,0:02:48.98,0:02:50.59,Default,,0000,0000,0000,,You know what your name is, right? Dialogue: 0,0:02:50.62,0:02:51.49,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:02:51.52,0:02:53.74,Default,,0000,0000,0000,,And when you go into\Na shop and buy something, Dialogue: 0,0:02:53.77,0:02:56.70,Default,,0000,0000,0000,,it's a PIN, he doesn't care\Nwhat the name is. Dialogue: 0,0:02:56.73,0:02:59.36,Default,,0000,0000,0000,,The only place where you ever have\Nto write your name on the back Dialogue: 0,0:02:59.39,0:03:00.53,Default,,0000,0000,0000,,is in America at the moment. Dialogue: 0,0:03:00.56,0:03:01.74,Default,,0000,0000,0000,,And whenever I go to America, Dialogue: 0,0:03:01.77,0:03:03.54,Default,,0000,0000,0000,,and I have to pay with a mag stripe\Non the back of the card, Dialogue: 0,0:03:03.57,0:03:05.43,Default,,0000,0000,0000,,I always sign it Carlos Tethers anyway, Dialogue: 0,0:03:05.45,0:03:07.24,Default,,0000,0000,0000,,just as a security mechanism, Dialogue: 0,0:03:07.26,0:03:09.47,Default,,0000,0000,0000,,because if a transaction\Never gets disputed, Dialogue: 0,0:03:09.50,0:03:11.45,Default,,0000,0000,0000,,and it comes back and it says Dave Birch, Dialogue: 0,0:03:11.47,0:03:13.19,Default,,0000,0000,0000,,I know it must have been a criminal, Dialogue: 0,0:03:13.21,0:03:16.02,Default,,0000,0000,0000,,because I would never sign it Dave Birch. Dialogue: 0,0:03:16.05,0:03:17.71,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:03:17.74,0:03:19.50,Default,,0000,0000,0000,,So if you drop your card in the street, Dialogue: 0,0:03:19.53,0:03:21.28,Default,,0000,0000,0000,,it means a criminal\Ncan pick it up and read it. Dialogue: 0,0:03:21.30,0:03:21.98,Default,,0000,0000,0000,,They know the name, Dialogue: 0,0:03:22.01,0:03:23.91,Default,,0000,0000,0000,,from the name they can find the address, Dialogue: 0,0:03:23.94,0:03:26.33,Default,,0000,0000,0000,,and then they can go off\Nand buy stuff online. Dialogue: 0,0:03:26.35,0:03:28.54,Default,,0000,0000,0000,,Why do we put the name on the card? Dialogue: 0,0:03:28.56,0:03:32.26,Default,,0000,0000,0000,,Because we think identity\Nis something to do with names, Dialogue: 0,0:03:32.28,0:03:35.95,Default,,0000,0000,0000,,and because we're rooted\Nin the idea of the identity card, Dialogue: 0,0:03:35.98,0:03:37.07,Default,,0000,0000,0000,,which obsesses us. Dialogue: 0,0:03:37.09,0:03:39.66,Default,,0000,0000,0000,,And I know it crashed and burned\Na couple of years ago, Dialogue: 0,0:03:39.69,0:03:44.22,Default,,0000,0000,0000,,but if you're someone in politics\Nor the home office or whatever, Dialogue: 0,0:03:44.24,0:03:45.62,Default,,0000,0000,0000,,and you think about identity, Dialogue: 0,0:03:45.65,0:03:48.84,Default,,0000,0000,0000,,you can only think of identity\Nin terms of cards with names on them. Dialogue: 0,0:03:48.86,0:03:51.98,Default,,0000,0000,0000,,And that's very subversive\Nin a modern world. Dialogue: 0,0:03:52.01,0:03:54.24,Default,,0000,0000,0000,,So the second example I thought I'd use Dialogue: 0,0:03:54.26,0:03:56.31,Default,,0000,0000,0000,,is chatrooms. Dialogue: 0,0:03:56.33,0:03:57.11,Default,,0000,0000,0000,,[Chatrooms and Children] Dialogue: 0,0:03:57.14,0:03:59.30,Default,,0000,0000,0000,,I'm very proud of that picture,\Nthat's my son Dialogue: 0,0:03:59.32,0:04:03.38,Default,,0000,0000,0000,,playing in his band with his friends\Nfor the first-ever gig, Dialogue: 0,0:04:03.40,0:04:05.35,Default,,0000,0000,0000,,I believe you call it, where he got paid. Dialogue: 0,0:04:05.37,0:04:06.13,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:04:06.16,0:04:08.01,Default,,0000,0000,0000,,And I love that picture. Dialogue: 0,0:04:08.04,0:04:10.78,Default,,0000,0000,0000,,I like the picture of him\Ngetting into medical school a lot better, Dialogue: 0,0:04:10.80,0:04:11.48,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:04:11.50,0:04:13.59,Default,,0000,0000,0000,,I like that picture for the moment. Dialogue: 0,0:04:13.61,0:04:14.56,Default,,0000,0000,0000,,Why do I use that picture? Dialogue: 0,0:04:14.59,0:04:19.65,Default,,0000,0000,0000,,Because that was very interesting,\Nwatching that experience as an old person. Dialogue: 0,0:04:19.68,0:04:21.10,Default,,0000,0000,0000,,So him and his friends, Dialogue: 0,0:04:21.12,0:04:23.98,Default,,0000,0000,0000,,they get together, they booked a room,\Nlike a church hall, Dialogue: 0,0:04:23.100,0:04:25.82,Default,,0000,0000,0000,,and they got all their friends\Nwho had bands, Dialogue: 0,0:04:25.85,0:04:27.14,Default,,0000,0000,0000,,and they got them together, Dialogue: 0,0:04:27.16,0:04:28.64,Default,,0000,0000,0000,,and they do it all on Facebook, Dialogue: 0,0:04:28.66,0:04:32.43,Default,,0000,0000,0000,,and then they sell tickets,\Nand the first band on the - Dialogue: 0,0:04:32.46,0:04:33.32,Default,,0000,0000,0000,,I was going to say "menu," Dialogue: 0,0:04:33.34,0:04:35.63,Default,,0000,0000,0000,,that's probably\Nthe wrong word for it, isn't it? Dialogue: 0,0:04:35.65,0:04:37.56,Default,,0000,0000,0000,,The first band on the list of bands Dialogue: 0,0:04:37.58,0:04:42.12,Default,,0000,0000,0000,,that appears at some\Npublic music performance of some kind Dialogue: 0,0:04:42.14,0:04:44.28,Default,,0000,0000,0000,,gets the sales from the first 20 tickets, Dialogue: 0,0:04:44.31,0:04:46.10,Default,,0000,0000,0000,,then the next band gets the next 20, Dialogue: 0,0:04:46.13,0:04:47.09,Default,,0000,0000,0000,,and so on. Dialogue: 0,0:04:47.12,0:04:48.43,Default,,0000,0000,0000,,They were at the bottom of the menu, Dialogue: 0,0:04:48.45,0:04:50.54,Default,,0000,0000,0000,,they were like fifth,\NI thought they had no chance. Dialogue: 0,0:04:50.57,0:04:52.81,Default,,0000,0000,0000,,He actually got 20 quid. Fantastic, right? Dialogue: 0,0:04:52.83,0:04:54.90,Default,,0000,0000,0000,,But my point is,\Nthat all worked perfectly, Dialogue: 0,0:04:54.93,0:04:57.68,Default,,0000,0000,0000,,except on the web. Dialogue: 0,0:04:57.71,0:04:59.88,Default,,0000,0000,0000,,So they're sitting on Facebook, Dialogue: 0,0:04:59.90,0:05:02.74,Default,,0000,0000,0000,,and they're sending these messages\Nand arranging things Dialogue: 0,0:05:02.77,0:05:05.06,Default,,0000,0000,0000,,and they don't know who anybody is, right? Dialogue: 0,0:05:05.09,0:05:06.69,Default,,0000,0000,0000,,That's the big problem\Nwe're trying to solve. Dialogue: 0,0:05:06.72,0:05:08.66,Default,,0000,0000,0000,,If only they were using the real names, Dialogue: 0,0:05:08.68,0:05:11.35,Default,,0000,0000,0000,,Then you wouldn't be worried\Nabout them on the Internet. Dialogue: 0,0:05:11.38,0:05:12.60,Default,,0000,0000,0000,,And so when he says to me, Dialogue: 0,0:05:12.62,0:05:16.96,Default,,0000,0000,0000,,"Oh, I want to go to a chatroom\Nto talk about guitars" or something, Dialogue: 0,0:05:16.99,0:05:20.21,Default,,0000,0000,0000,,I'm like, "oh, well,\NI don't want you to go into a chatroom Dialogue: 0,0:05:20.24,0:05:23.57,Default,,0000,0000,0000,,to talk about guitars, because\Nthey might not all be your friends, Dialogue: 0,0:05:23.59,0:05:25.83,Default,,0000,0000,0000,,and some of the people\Nthat are in the chatroom Dialogue: 0,0:05:25.86,0:05:29.39,Default,,0000,0000,0000,,might be perverts and teachers\Nand vicars." Dialogue: 0,0:05:29.41,0:05:31.22,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:05:31.24,0:05:34.14,Default,,0000,0000,0000,,I mean, they generally are,\Nwhen you look in the paper, right? Dialogue: 0,0:05:34.17,0:05:37.20,Default,,0000,0000,0000,,So I want to know who\Nall the people in the chatroom are. Dialogue: 0,0:05:37.22,0:05:38.94,Default,,0000,0000,0000,,So okay, you can go in the chatroom, Dialogue: 0,0:05:38.96,0:05:41.96,Default,,0000,0000,0000,,but only if everybody in the chatroom\Nis using their real names, Dialogue: 0,0:05:41.99,0:05:46.33,Default,,0000,0000,0000,,and they submit full copies\Nof their police report. Dialogue: 0,0:05:46.35,0:05:49.45,Default,,0000,0000,0000,,But of course, if anybody\Nin the chatroom asked for his real name, Dialogue: 0,0:05:49.47,0:05:51.69,Default,,0000,0000,0000,,I'd say no.\NYou can't give them your real name. Dialogue: 0,0:05:51.71,0:05:54.39,Default,,0000,0000,0000,,Because what happens\Nif they turn out to be perverts, Dialogue: 0,0:05:54.41,0:05:57.06,Default,,0000,0000,0000,,and teachers and whatever. Dialogue: 0,0:05:57.09,0:05:58.80,Default,,0000,0000,0000,,So you have this odd sort of paradox Dialogue: 0,0:05:58.83,0:06:01.13,Default,,0000,0000,0000,,where I'm happy for him\Nto go into this space Dialogue: 0,0:06:01.16,0:06:03.08,Default,,0000,0000,0000,,if I know who everybody else is, Dialogue: 0,0:06:03.10,0:06:05.44,Default,,0000,0000,0000,,but I don't want anybody else\Nto know who he is. Dialogue: 0,0:06:05.46,0:06:07.61,Default,,0000,0000,0000,,And so you get\Nthis sort of logjam around identity Dialogue: 0,0:06:07.64,0:06:09.25,Default,,0000,0000,0000,,where you want full disclosure\Nfrom everybody else, Dialogue: 0,0:06:09.27,0:06:10.54,Default,,0000,0000,0000,,but not from yourself. Dialogue: 0,0:06:10.57,0:06:12.55,Default,,0000,0000,0000,,And there's no progress, we get stuck. Dialogue: 0,0:06:12.58,0:06:14.86,Default,,0000,0000,0000,,And so the chatroom thing\Ndoesn't work properly, Dialogue: 0,0:06:14.89,0:06:19.23,Default,,0000,0000,0000,,and it's a very bad way\Nof thinking about identity. Dialogue: 0,0:06:19.25,0:06:22.16,Default,,0000,0000,0000,,So on my RSS feed,\NI saw this thing about - Dialogue: 0,0:06:22.19,0:06:24.76,Default,,0000,0000,0000,,I just said something bad\Nabout my RSS feed, didn't I? Dialogue: 0,0:06:24.78,0:06:26.51,Default,,0000,0000,0000,,I should stop saying it like that. Dialogue: 0,0:06:26.54,0:06:28.05,Default,,0000,0000,0000,,For some random reason, I can't imagine, Dialogue: 0,0:06:28.07,0:06:30.20,Default,,0000,0000,0000,,something about cheerleaders\Nturned up in my inbox. Dialogue: 0,0:06:30.23,0:06:32.18,Default,,0000,0000,0000,,And I read this story about cheerleaders, Dialogue: 0,0:06:32.20,0:06:33.63,Default,,0000,0000,0000,,and it's a fascinating story. Dialogue: 0,0:06:33.65,0:06:35.84,Default,,0000,0000,0000,,This happened a couple of years ago\Nin the U.S. Dialogue: 0,0:06:35.87,0:06:38.57,Default,,0000,0000,0000,,There were some cheerleaders\Nin a team at a high school Dialogue: 0,0:06:38.59,0:06:41.45,Default,,0000,0000,0000,,in the U.S., and they said mean things Dialogue: 0,0:06:41.48,0:06:42.64,Default,,0000,0000,0000,,about their cheerleading coach, Dialogue: 0,0:06:42.66,0:06:44.85,Default,,0000,0000,0000,,as I'm sure kids do\Nabout all of their teachers Dialogue: 0,0:06:44.87,0:06:46.18,Default,,0000,0000,0000,,all of the time, Dialogue: 0,0:06:46.20,0:06:48.26,Default,,0000,0000,0000,,and somehow the cheerleading coach\Nfound out about this. Dialogue: 0,0:06:48.28,0:06:49.72,Default,,0000,0000,0000,,She was very upset. Dialogue: 0,0:06:49.74,0:06:51.89,Default,,0000,0000,0000,,And so she went to one of the girls,\Nand said, Dialogue: 0,0:06:51.91,0:06:54.01,Default,,0000,0000,0000,,"you have to give me\Nyour Facebook password." Dialogue: 0,0:06:54.03,0:06:57.70,Default,,0000,0000,0000,,I read this all the time,\Nwhere even at some universities Dialogue: 0,0:06:57.72,0:06:58.60,Default,,0000,0000,0000,,and places of education, Dialogue: 0,0:06:58.62,0:07:00.32,Default,,0000,0000,0000,,kids are forced to hand over\Ntheir Facebook passwords. Dialogue: 0,0:07:00.35,0:07:03.08,Default,,0000,0000,0000,,So you've got to give them\Nyour Facebook password. Dialogue: 0,0:07:03.10,0:07:03.95,Default,,0000,0000,0000,,She was a kid! Dialogue: 0,0:07:03.98,0:07:05.14,Default,,0000,0000,0000,,What she should have said Dialogue: 0,0:07:05.16,0:07:06.37,Default,,0000,0000,0000,,is, "my lawyer will be calling you Dialogue: 0,0:07:06.39,0:07:07.16,Default,,0000,0000,0000,,first thing in the morning. Dialogue: 0,0:07:07.18,0:07:09.28,Default,,0000,0000,0000,,It's an outrageous imposition Dialogue: 0,0:07:09.30,0:07:11.14,Default,,0000,0000,0000,,on my 4th Amendment right to privacy, Dialogue: 0,0:07:11.16,0:07:11.92,Default,,0000,0000,0000,,and you're going to be sued Dialogue: 0,0:07:11.95,0:07:12.52,Default,,0000,0000,0000,,for all the money you've got." Dialogue: 0,0:07:12.54,0:07:13.57,Default,,0000,0000,0000,,That's what she should have said. Dialogue: 0,0:07:13.60,0:07:14.55,Default,,0000,0000,0000,,But she's a kid, Dialogue: 0,0:07:14.58,0:07:16.37,Default,,0000,0000,0000,,so she hands over the password. Dialogue: 0,0:07:16.40,0:07:18.42,Default,,0000,0000,0000,,The teacher can't log into Facebook, Dialogue: 0,0:07:18.45,0:07:21.59,Default,,0000,0000,0000,,because the school\Nhas blocked access to Facebook. Dialogue: 0,0:07:21.62,0:07:23.51,Default,,0000,0000,0000,,So the teacher can't log into Facebook\Nuntil she gets home. Dialogue: 0,0:07:23.53,0:07:25.20,Default,,0000,0000,0000,,So the girl tells her friends, Dialogue: 0,0:07:25.23,0:07:25.77,Default,,0000,0000,0000,,guess what happened? Dialogue: 0,0:07:25.79,0:07:27.36,Default,,0000,0000,0000,,The teacher logged in, she knows. Dialogue: 0,0:07:27.39,0:07:29.20,Default,,0000,0000,0000,,So the girls just all logged into Facebook\Non their phones, Dialogue: 0,0:07:29.23,0:07:31.07,Default,,0000,0000,0000,,and deleted their profiles. Dialogue: 0,0:07:31.09,0:07:33.96,Default,,0000,0000,0000,,And so when the teacher logged in,\Nthere was nothing there. Dialogue: 0,0:07:33.98,0:07:39.61,Default,,0000,0000,0000,,My point is, those identities,\Nthey don't think about them the same way. Dialogue: 0,0:07:39.63,0:07:43.34,Default,,0000,0000,0000,,Identity is, especially when\Nyou're a teenager, a fluid thing. Dialogue: 0,0:07:43.36,0:07:44.94,Default,,0000,0000,0000,,You have lots of identities. Dialogue: 0,0:07:44.96,0:07:47.19,Default,,0000,0000,0000,,And you can have an identity,\Nyou don't like it, Dialogue: 0,0:07:47.22,0:07:50.79,Default,,0000,0000,0000,,because it's subverted in some way,\Nor it's insecure, or it's inappropriate, Dialogue: 0,0:07:50.81,0:07:52.87,Default,,0000,0000,0000,,you just delete it and get another one. Dialogue: 0,0:07:52.89,0:07:56.19,Default,,0000,0000,0000,,The idea that you have an identity\Nthat's given to you by someone, Dialogue: 0,0:07:56.22,0:07:57.01,Default,,0000,0000,0000,,the government or whatever, Dialogue: 0,0:07:57.04,0:07:59.13,Default,,0000,0000,0000,,and you have to stick with that identity\Nand use it in all places, Dialogue: 0,0:07:59.16,0:08:00.84,Default,,0000,0000,0000,,that's absolutely wrong. Dialogue: 0,0:08:00.86,0:08:03.87,Default,,0000,0000,0000,,Why would you want to really know\Nwho someone was on Facebook, Dialogue: 0,0:08:03.90,0:08:06.75,Default,,0000,0000,0000,,unless you wanted to abuse them\Nand harass them in some way? Dialogue: 0,0:08:06.78,0:08:09.38,Default,,0000,0000,0000,,And it just doesn't work properly. Dialogue: 0,0:08:09.41,0:08:11.60,Default,,0000,0000,0000,,And my fourth example is\Nthere are some cases Dialogue: 0,0:08:11.62,0:08:14.03,Default,,0000,0000,0000,,where you really want to be - Dialogue: 0,0:08:14.06,0:08:17.60,Default,,0000,0000,0000,,In case you're wondering,\Nthat's me at the G20 protest. Dialogue: 0,0:08:17.62,0:08:21.28,Default,,0000,0000,0000,,I wasn't actually at the G20 protest,\Nbut I had a meeting at a bank Dialogue: 0,0:08:21.30,0:08:24.71,Default,,0000,0000,0000,,on the day of the G20 protest,\Nand I got an email from the bank Dialogue: 0,0:08:24.73,0:08:29.27,Default,,0000,0000,0000,,saying please don't wear a suit,\Nbecause it'll inflame the protesters. Dialogue: 0,0:08:29.30,0:08:31.04,Default,,0000,0000,0000,,I look pretty good in a suit, frankly, Dialogue: 0,0:08:31.07,0:08:32.74,Default,,0000,0000,0000,,so you can see why it would drive them Dialogue: 0,0:08:32.76,0:08:34.24,Default,,0000,0000,0000,,into an anti-capitalist frenzy. Dialogue: 0,0:08:34.26,0:08:34.77,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:08:34.80,0:08:35.70,Default,,0000,0000,0000,,So I thought, well, look. Dialogue: 0,0:08:35.72,0:08:38.87,Default,,0000,0000,0000,,If I don't want to inflame the protesters, Dialogue: 0,0:08:38.89,0:08:39.78,Default,,0000,0000,0000,,the obvious thing to do Dialogue: 0,0:08:39.81,0:08:41.19,Default,,0000,0000,0000,,is go dressed as a protester. Dialogue: 0,0:08:41.21,0:08:43.21,Default,,0000,0000,0000,,So I went dressed completely in black, Dialogue: 0,0:08:43.23,0:08:45.09,Default,,0000,0000,0000,,you know, with a black balaclava, Dialogue: 0,0:08:45.12,0:08:45.93,Default,,0000,0000,0000,,I had black gloves on, Dialogue: 0,0:08:45.95,0:08:47.56,Default,,0000,0000,0000,,but I've taken them off\Nto sign the visitor's book. Dialogue: 0,0:08:47.59,0:08:48.14,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:08:48.16,0:08:50.32,Default,,0000,0000,0000,,I'm wearing black trousers, black boots, Dialogue: 0,0:08:50.34,0:08:51.72,Default,,0000,0000,0000,,I'm dressed completely in black. Dialogue: 0,0:08:51.75,0:08:52.90,Default,,0000,0000,0000,,I go into the bank at 10 o'clock, Dialogue: 0,0:08:52.92,0:08:53.86,Default,,0000,0000,0000,,go, "Hi, I'm Dave Birch, Dialogue: 0,0:08:53.89,0:08:55.14,Default,,0000,0000,0000,,I've got a 3 o'clock\Nwith so and so there." Dialogue: 0,0:08:55.16,0:08:56.58,Default,,0000,0000,0000,,Sure. They sign me in. Dialogue: 0,0:08:56.60,0:08:59.35,Default,,0000,0000,0000,,There's my visitor's badge. Dialogue: 0,0:08:59.38,0:09:00.24,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:09:00.27,0:09:01.56,Default,,0000,0000,0000,,So this nonsense Dialogue: 0,0:09:01.58,0:09:03.61,Default,,0000,0000,0000,,about you've got to have real names\Non Facebook and whatever, Dialogue: 0,0:09:03.64,0:09:05.85,Default,,0000,0000,0000,,that gets you that kind of security. Dialogue: 0,0:09:05.87,0:09:10.37,Default,,0000,0000,0000,,That gets you security theater,\Nwhere there's no actual security, Dialogue: 0,0:09:10.39,0:09:13.71,Default,,0000,0000,0000,,but people are sort of playing parts\Nin a play about security. Dialogue: 0,0:09:13.73,0:09:14.83,Default,,0000,0000,0000,,And as long as\Neverybody learns their lines, Dialogue: 0,0:09:14.86,0:09:16.37,Default,,0000,0000,0000,,everyone's happy. Dialogue: 0,0:09:16.39,0:09:19.23,Default,,0000,0000,0000,,But it's not real security. Dialogue: 0,0:09:19.26,0:09:22.47,Default,,0000,0000,0000,,Especially because I hate banks\Nmore than the G20 protesters do, Dialogue: 0,0:09:22.50,0:09:23.66,Default,,0000,0000,0000,,because I work for them. Dialogue: 0,0:09:23.68,0:09:26.48,Default,,0000,0000,0000,,I know that things are actually worse\Nthan these guys think. Dialogue: 0,0:09:26.51,0:09:28.28,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:09:29.87,0:09:34.94,Default,,0000,0000,0000,,But suppose I worked\Nnext to somebody in a bank Dialogue: 0,0:09:34.97,0:09:37.97,Default,,0000,0000,0000,,who was doing something. Dialogue: 0,0:09:44.74,0:09:46.91,Default,,0000,0000,0000,,Suppose I was sitting\Nnext to a rogue trader, Dialogue: 0,0:09:46.93,0:09:49.21,Default,,0000,0000,0000,,and I want to report it\Nto the boss of the bank. Dialogue: 0,0:09:49.24,0:09:50.63,Default,,0000,0000,0000,,So I log on to do\Na little bit of whistleblowing. Dialogue: 0,0:09:50.65,0:09:53.09,Default,,0000,0000,0000,,I send a message,\Nthis guy's a rogue trader. Dialogue: 0,0:09:53.12,0:09:54.89,Default,,0000,0000,0000,,That message is meaningless Dialogue: 0,0:09:54.92,0:09:57.84,Default,,0000,0000,0000,,if you don't know\Nthat I'm a trader at the bank. Dialogue: 0,0:09:57.86,0:09:59.77,Default,,0000,0000,0000,,If that message just comes from anybody, Dialogue: 0,0:09:59.79,0:10:02.43,Default,,0000,0000,0000,,it has zero information value. Dialogue: 0,0:10:02.45,0:10:04.92,Default,,0000,0000,0000,,There's no point in sending that message. Dialogue: 0,0:10:06.46,0:10:09.21,Default,,0000,0000,0000,,But if I have to prove who I am, Dialogue: 0,0:10:09.23,0:10:10.61,Default,,0000,0000,0000,,I'll never send that message. Dialogue: 0,0:10:10.64,0:10:14.46,Default,,0000,0000,0000,,It's just like the nurse in the hospital\Nreporting the drunk surgeon. Dialogue: 0,0:10:14.49,0:10:17.38,Default,,0000,0000,0000,,That message will only happen\Nif I'm anonymous. Dialogue: 0,0:10:17.41,0:10:22.18,Default,,0000,0000,0000,,So the system has to have ways\Nof providing anonymity there, Dialogue: 0,0:10:22.20,0:10:24.44,Default,,0000,0000,0000,,otherwise we don't get\Nwhere we want to get to. Dialogue: 0,0:10:24.46,0:10:27.11,Default,,0000,0000,0000,,So four issues.\NSo what are we going to do about it? Dialogue: 0,0:10:27.13,0:10:31.80,Default,,0000,0000,0000,,Well, what we tend to do about it Dialogue: 0,0:10:31.82,0:10:34.18,Default,,0000,0000,0000,,is we think about Orwell space. Dialogue: 0,0:10:34.21,0:10:37.33,Default,,0000,0000,0000,,And we try to make electronic versions Dialogue: 0,0:10:37.35,0:10:39.64,Default,,0000,0000,0000,,of the identity card\Nthat we got rid of in 1953. Dialogue: 0,0:10:39.66,0:10:42.39,Default,,0000,0000,0000,,So we think if we had a card, Dialogue: 0,0:10:42.42,0:10:43.73,Default,,0000,0000,0000,,call it a Facebook login, Dialogue: 0,0:10:43.76,0:10:45.03,Default,,0000,0000,0000,,which proves who you are, Dialogue: 0,0:10:45.05,0:10:46.92,Default,,0000,0000,0000,,and I make you carry it all the time, Dialogue: 0,0:10:46.94,0:10:47.74,Default,,0000,0000,0000,,that solves the problem. Dialogue: 0,0:10:47.76,0:10:49.90,Default,,0000,0000,0000,,And of course, for all those reasons\NI've just outlined, Dialogue: 0,0:10:49.92,0:10:50.89,Default,,0000,0000,0000,,it doesn't, and it might, actually, Dialogue: 0,0:10:50.91,0:10:51.96,Default,,0000,0000,0000,,make some problems worse. Dialogue: 0,0:10:51.98,0:10:54.78,Default,,0000,0000,0000,,The more times you're forced\Nto use your real identity, Dialogue: 0,0:10:54.81,0:10:57.02,Default,,0000,0000,0000,,certainly in transactional terms, Dialogue: 0,0:10:57.05,0:10:59.91,Default,,0000,0000,0000,,the more likely that identity\Nis to get stolen and subverted. Dialogue: 0,0:10:59.93,0:11:02.17,Default,,0000,0000,0000,,The goal is to stop people\Nfrom using identity Dialogue: 0,0:11:02.19,0:11:04.35,Default,,0000,0000,0000,,in transactions which don't need identity, Dialogue: 0,0:11:04.37,0:11:06.86,Default,,0000,0000,0000,,which is actually almost all transactions. Dialogue: 0,0:11:06.88,0:11:09.15,Default,,0000,0000,0000,,Almost all of the transactions you do Dialogue: 0,0:11:09.18,0:11:10.84,Default,,0000,0000,0000,,are not, who are you? Dialogue: 0,0:11:10.86,0:11:12.98,Default,,0000,0000,0000,,They're, are you allowed to drive the car, Dialogue: 0,0:11:12.100,0:11:14.52,Default,,0000,0000,0000,,are you allowed in the building, Dialogue: 0,0:11:14.55,0:11:15.38,Default,,0000,0000,0000,,are you over 18, Dialogue: 0,0:11:15.40,0:11:17.50,Default,,0000,0000,0000,,etcetera, etcetera. Dialogue: 0,0:11:17.52,0:11:19.33,Default,,0000,0000,0000,,So my suggestion-I, like James, Dialogue: 0,0:11:19.35,0:11:22.49,Default,,0000,0000,0000,,think that there should be\Na resurgence of interest in R & D. Dialogue: 0,0:11:22.51,0:11:23.27,Default,,0000,0000,0000,,I think this is a solvable problem. Dialogue: 0,0:11:23.30,0:11:25.09,Default,,0000,0000,0000,,It's something we can do about. Dialogue: 0,0:11:25.12,0:11:27.04,Default,,0000,0000,0000,,Naturally, in these circumstances, Dialogue: 0,0:11:27.06,0:11:28.41,Default,,0000,0000,0000,,I turn to Doctor Who. Dialogue: 0,0:11:28.44,0:11:30.55,Default,,0000,0000,0000,,Because in this, Dialogue: 0,0:11:30.57,0:11:32.19,Default,,0000,0000,0000,,as in so many other walks of life, Dialogue: 0,0:11:32.22,0:11:35.15,Default,,0000,0000,0000,,Doctor Who has already shown\Nus the answer. Dialogue: 0,0:11:35.17,0:11:35.96,Default,,0000,0000,0000,,So I should say, Dialogue: 0,0:11:35.98,0:11:38.29,Default,,0000,0000,0000,,for some of our foreign visitors, Dialogue: 0,0:11:38.32,0:11:42.15,Default,,0000,0000,0000,,Doctor Who is the greatest\Nliving scientist in England, Dialogue: 0,0:11:42.17,0:11:43.72,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:11:43.75,0:11:46.52,Default,,0000,0000,0000,,and a beacon of truth and enlightenment\Nto all of us. Dialogue: 0,0:11:46.55,0:11:50.59,Default,,0000,0000,0000,,And this is Doctor Who\Nwith his psychic paper. Dialogue: 0,0:11:50.62,0:11:52.76,Default,,0000,0000,0000,,Come on, you guys must have seen\NDoctor Who's psychic paper. Dialogue: 0,0:11:52.79,0:11:54.76,Default,,0000,0000,0000,,You're not nerds if you say yes. Dialogue: 0,0:11:54.79,0:11:56.90,Default,,0000,0000,0000,,Who's seen Doctor Who's psychic paper? Dialogue: 0,0:11:56.92,0:11:59.33,Default,,0000,0000,0000,,Oh right, you were in the library\Nthe whole time studying I guess. Dialogue: 0,0:11:59.35,0:12:01.40,Default,,0000,0000,0000,,Is that what you're going to tell us? Dialogue: 0,0:12:01.42,0:12:02.66,Default,,0000,0000,0000,,Doctor Who's psychic paper Dialogue: 0,0:12:02.68,0:12:04.78,Default,,0000,0000,0000,,is when you hold up the psychic paper, Dialogue: 0,0:12:04.80,0:12:06.32,Default,,0000,0000,0000,,the person, in their brain, Dialogue: 0,0:12:06.34,0:12:08.67,Default,,0000,0000,0000,,sees the thing that they need to see. Dialogue: 0,0:12:08.69,0:12:11.03,Default,,0000,0000,0000,,So I want to show you a British passport, Dialogue: 0,0:12:11.05,0:12:12.05,Default,,0000,0000,0000,,I hold up the psychic paper, Dialogue: 0,0:12:12.08,0:12:13.53,Default,,0000,0000,0000,,you see a British passport. Dialogue: 0,0:12:13.56,0:12:15.33,Default,,0000,0000,0000,,I want to get into a party, Dialogue: 0,0:12:15.35,0:12:16.94,Default,,0000,0000,0000,,I hold up the psychic paper, Dialogue: 0,0:12:16.96,0:12:18.39,Default,,0000,0000,0000,,I show you a party invitation. Dialogue: 0,0:12:18.41,0:12:20.46,Default,,0000,0000,0000,,You see what you want to see. Dialogue: 0,0:12:20.49,0:12:23.68,Default,,0000,0000,0000,,So what I'm saying is we need\Nto make an electronic version of that, Dialogue: 0,0:12:23.70,0:12:25.88,Default,,0000,0000,0000,,but with one tiny, tiny change, Dialogue: 0,0:12:25.90,0:12:28.47,Default,,0000,0000,0000,,which is that it'll only show you\Nthe British passport Dialogue: 0,0:12:28.50,0:12:29.69,Default,,0000,0000,0000,,if I've actually got one. Dialogue: 0,0:12:29.71,0:12:30.91,Default,,0000,0000,0000,,It'll only show you the party invitation Dialogue: 0,0:12:30.93,0:12:32.30,Default,,0000,0000,0000,,if I actually have one. Dialogue: 0,0:12:32.33,0:12:35.33,Default,,0000,0000,0000,,It will only show you that I'm over 18\Nif I actually am over 18. Dialogue: 0,0:12:35.35,0:12:37.65,Default,,0000,0000,0000,,But nothing else. Dialogue: 0,0:12:37.68,0:12:42.43,Default,,0000,0000,0000,,So you're the bouncer at the pub,\Nyou need to know that I'm over 18, Dialogue: 0,0:12:42.45,0:12:44.45,Default,,0000,0000,0000,,instead of showing you my driving license, Dialogue: 0,0:12:44.48,0:12:46.29,Default,,0000,0000,0000,,which shows you I know how to drive, Dialogue: 0,0:12:46.32,0:12:48.89,Default,,0000,0000,0000,,what my name is, my address,\Nall these kind of things, Dialogue: 0,0:12:48.91,0:12:50.47,Default,,0000,0000,0000,,I show you my psychic paper, Dialogue: 0,0:12:50.49,0:12:53.63,Default,,0000,0000,0000,,and all it tells you is\Nam I over 18 or not. Dialogue: 0,0:12:53.66,0:12:55.07,Default,,0000,0000,0000,,Right. Dialogue: 0,0:12:55.09,0:12:56.41,Default,,0000,0000,0000,,Is that just a pipe dream? Dialogue: 0,0:12:56.43,0:12:58.10,Default,,0000,0000,0000,,Of course not, otherwise\NI wouldn't be here talking to you. Dialogue: 0,0:12:58.12,0:13:01.18,Default,,0000,0000,0000,,So in order to build that\Nand make it work, Dialogue: 0,0:13:01.21,0:13:03.96,Default,,0000,0000,0000,,I'm only going to name these things,\NI'll not go into them, Dialogue: 0,0:13:03.98,0:13:05.13,Default,,0000,0000,0000,,we need a plan, Dialogue: 0,0:13:05.16,0:13:06.38,Default,,0000,0000,0000,,which is we're going to build this Dialogue: 0,0:13:06.40,0:13:08.40,Default,,0000,0000,0000,,as an infrastructure for everybody to use, Dialogue: 0,0:13:08.43,0:13:10.26,Default,,0000,0000,0000,,to solve all of these problems. Dialogue: 0,0:13:10.28,0:13:12.31,Default,,0000,0000,0000,,We're going to make a utility, Dialogue: 0,0:13:12.33,0:13:13.86,Default,,0000,0000,0000,,the utility has to be universal, Dialogue: 0,0:13:13.88,0:13:14.74,Default,,0000,0000,0000,,you can use it everywhere, Dialogue: 0,0:13:14.76,0:13:17.95,Default,,0000,0000,0000,,I'm just giving you little flashes\Nof the technology as we go along. Dialogue: 0,0:13:17.98,0:13:19.34,Default,,0000,0000,0000,,That's a Japanese ATM, Dialogue: 0,0:13:19.36,0:13:22.44,Default,,0000,0000,0000,,the fingerprint template\Nis stored inside the mobile phone. Dialogue: 0,0:13:22.47,0:13:23.43,Default,,0000,0000,0000,,So when you want to draw money out, Dialogue: 0,0:13:23.46,0:13:24.93,Default,,0000,0000,0000,,you put the mobile phone on the ATM, Dialogue: 0,0:13:24.95,0:13:26.19,Default,,0000,0000,0000,,and touch your finger, Dialogue: 0,0:13:26.22,0:13:28.26,Default,,0000,0000,0000,,your fingerprint goes through\Nto the phone, Dialogue: 0,0:13:28.29,0:13:29.96,Default,,0000,0000,0000,,the phone says yes, that's whoever, Dialogue: 0,0:13:29.98,0:13:32.16,Default,,0000,0000,0000,,and the ATM then gives you some money. Dialogue: 0,0:13:32.18,0:13:35.20,Default,,0000,0000,0000,,It has to be a utility\Nthat you can use everywhere. Dialogue: 0,0:13:35.22,0:13:36.98,Default,,0000,0000,0000,,It has to be absolutely convenient, Dialogue: 0,0:13:37.01,0:13:40.15,Default,,0000,0000,0000,,that's me going into the pub. Dialogue: 0,0:13:40.17,0:13:42.94,Default,,0000,0000,0000,,All the device on the door\Nof the pub is allowed is, Dialogue: 0,0:13:42.97,0:13:46.62,Default,,0000,0000,0000,,is this person over 18\Nand not barred from the pub? Dialogue: 0,0:13:46.64,0:13:49.95,Default,,0000,0000,0000,,And so the idea is,\Nyou touch your ID card to the door, Dialogue: 0,0:13:49.97,0:13:51.90,Default,,0000,0000,0000,,and if I am allowed in,\Nit shows my picture, Dialogue: 0,0:13:51.93,0:13:53.37,Default,,0000,0000,0000,,if I'm not allowed in,\Nit shows a red cross. Dialogue: 0,0:13:53.39,0:13:54.98,Default,,0000,0000,0000,,It doesn't disclose any other information. Dialogue: 0,0:13:55.00,0:13:56.89,Default,,0000,0000,0000,,It has to have no special gadgets. Dialogue: 0,0:13:56.92,0:13:58.53,Default,,0000,0000,0000,,That can only mean one thing, Dialogue: 0,0:13:58.55,0:14:00.22,Default,,0000,0000,0000,,following on from Ross's statement, Dialogue: 0,0:14:00.24,0:14:01.70,Default,,0000,0000,0000,,which I agree with completely. Dialogue: 0,0:14:01.72,0:14:02.81,Default,,0000,0000,0000,,If it means no special gadgets, Dialogue: 0,0:14:02.83,0:14:04.18,Default,,0000,0000,0000,,it has to run on a mobile phone. Dialogue: 0,0:14:04.21,0:14:05.29,Default,,0000,0000,0000,,That's the only choice we have, Dialogue: 0,0:14:05.31,0:14:07.16,Default,,0000,0000,0000,,we have to make it work on mobile phones. Dialogue: 0,0:14:07.19,0:14:08.10,Default,,0000,0000,0000,,There are 6.6 billion Dialogue: 0,0:14:08.12,0:14:09.02,Default,,0000,0000,0000,,mobile phone subscriptions. Dialogue: 0,0:14:09.05,0:14:11.06,Default,,0000,0000,0000,,My favorite statistic of all time, Dialogue: 0,0:14:11.08,0:14:13.04,Default,,0000,0000,0000,,only 4 billion toothbrushes in the world. Dialogue: 0,0:14:13.06,0:14:14.10,Default,,0000,0000,0000,,That means something, Dialogue: 0,0:14:14.12,0:14:15.35,Default,,0000,0000,0000,,I don't know what. Dialogue: 0,0:14:15.38,0:14:15.73,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:14:15.75,0:14:19.19,Default,,0000,0000,0000,,I rely on our futurologists to tell me. Dialogue: 0,0:14:19.22,0:14:20.90,Default,,0000,0000,0000,,It has to be a utility\Nwhich is extensible. Dialogue: 0,0:14:20.93,0:14:22.19,Default,,0000,0000,0000,,So it has to be something Dialogue: 0,0:14:22.21,0:14:23.78,Default,,0000,0000,0000,,that anybody could build on. Dialogue: 0,0:14:23.80,0:14:25.67,Default,,0000,0000,0000,,Anybody should be able\Nto use this infrastructure, Dialogue: 0,0:14:25.69,0:14:28.12,Default,,0000,0000,0000,,you don't need permissions,\Nlicenses, whatever, Dialogue: 0,0:14:28.14,0:14:31.31,Default,,0000,0000,0000,,anyone should be able\Nto write some code to do this. Dialogue: 0,0:14:33.18,0:14:34.42,Default,,0000,0000,0000,,You know what symmetry is, Dialogue: 0,0:14:34.44,0:14:36.76,Default,,0000,0000,0000,,so you don't need a picture of it. Dialogue: 0,0:14:36.79,0:14:37.93,Default,,0000,0000,0000,,This is how we're going to do it. Dialogue: 0,0:14:37.95,0:14:38.96,Default,,0000,0000,0000,,We're going to do it using phones, Dialogue: 0,0:14:38.99,0:14:39.59,Default,,0000,0000,0000,,and we're going to do it Dialogue: 0,0:14:39.61,0:14:40.74,Default,,0000,0000,0000,,using mobile proximity. Dialogue: 0,0:14:40.77,0:14:41.88,Default,,0000,0000,0000,,I'm going to suggest to you Dialogue: 0,0:14:41.90,0:14:43.22,Default,,0000,0000,0000,,the technology to implement Dialogue: 0,0:14:43.24,0:14:44.50,Default,,0000,0000,0000,,Doctor Who's psychic paper Dialogue: 0,0:14:44.53,0:14:46.15,Default,,0000,0000,0000,,is already here, and if any of you Dialogue: 0,0:14:46.17,0:14:48.62,Default,,0000,0000,0000,,have got one of the new\NBarclay's debit cards Dialogue: 0,0:14:48.65,0:14:49.85,Default,,0000,0000,0000,,with the contactless interface on it, Dialogue: 0,0:14:49.88,0:14:51.54,Default,,0000,0000,0000,,you've already got that technology. Dialogue: 0,0:14:51.57,0:14:53.47,Default,,0000,0000,0000,,If you've ever been up to the big city, Dialogue: 0,0:14:53.49,0:14:54.97,Default,,0000,0000,0000,,and used an Oyster card at all, Dialogue: 0,0:14:54.99,0:14:57.06,Default,,0000,0000,0000,,does that ring any bells to anybody? Dialogue: 0,0:14:57.09,0:14:57.81,Default,,0000,0000,0000,,The technology already exists. Dialogue: 0,0:14:57.84,0:14:59.20,Default,,0000,0000,0000,,The first phones Dialogue: 0,0:14:59.22,0:14:59.83,Default,,0000,0000,0000,,that have the technology built in, Dialogue: 0,0:14:59.86,0:15:02.13,Default,,0000,0000,0000,,the Google Nexus, the S2, Dialogue: 0,0:15:02.15,0:15:02.84,Default,,0000,0000,0000,,the Samsung Wifi 7.9, Dialogue: 0,0:15:02.86,0:15:04.33,Default,,0000,0000,0000,,the first phones that have Dialogue: 0,0:15:04.36,0:15:05.42,Default,,0000,0000,0000,,the technology built into them Dialogue: 0,0:15:05.45,0:15:06.26,Default,,0000,0000,0000,,are already in the shops. Dialogue: 0,0:15:06.28,0:15:07.97,Default,,0000,0000,0000,,So the idea that the gas man Dialogue: 0,0:15:07.99,0:15:10.16,Default,,0000,0000,0000,,can turn up at my mom's door Dialogue: 0,0:15:10.18,0:15:12.36,Default,,0000,0000,0000,,and he can show my mom his phone, Dialogue: 0,0:15:12.39,0:15:13.70,Default,,0000,0000,0000,,and she can tap it with her phone, Dialogue: 0,0:15:13.72,0:15:16.00,Default,,0000,0000,0000,,and it will come up with green\Nif he really is from British Gas Dialogue: 0,0:15:16.03,0:15:17.22,Default,,0000,0000,0000,,and allowed in, Dialogue: 0,0:15:17.24,0:15:18.89,Default,,0000,0000,0000,,and it'll come up with red if he isn't, Dialogue: 0,0:15:18.91,0:15:19.50,Default,,0000,0000,0000,,end of story. Dialogue: 0,0:15:19.52,0:15:21.35,Default,,0000,0000,0000,,We have the technology to do that. Dialogue: 0,0:15:21.37,0:15:22.58,Default,,0000,0000,0000,,And what's more, Dialogue: 0,0:15:22.61,0:15:24.73,Default,,0000,0000,0000,,although some of those things\Nsounded a bit counter-intuitive, Dialogue: 0,0:15:24.75,0:15:27.52,Default,,0000,0000,0000,,like proving I'm over 18\Nwithout proving who I am, Dialogue: 0,0:15:27.54,0:15:29.74,Default,,0000,0000,0000,,the cryptography to do that\Nnot only exists, Dialogue: 0,0:15:29.76,0:15:31.97,Default,,0000,0000,0000,,it's extremely well-known\Nand well-understood. Dialogue: 0,0:15:31.99,0:15:34.62,Default,,0000,0000,0000,,Digital signatures, the blinding\Nof public key certificates, Dialogue: 0,0:15:34.65,0:15:36.37,Default,,0000,0000,0000,,these technologies have been around\Nfor a while, Dialogue: 0,0:15:36.39,0:15:38.44,Default,,0000,0000,0000,,we've just had no way\Nof packaging them up. Dialogue: 0,0:15:38.46,0:15:41.16,Default,,0000,0000,0000,,So the technology already exists. Dialogue: 0,0:15:41.18,0:15:44.84,Default,,0000,0000,0000,,We know it works, Dialogue: 0,0:15:44.87,0:15:46.59,Default,,0000,0000,0000,,There are a few examples\Nof the technology being used Dialogue: 0,0:15:46.62,0:15:48.26,Default,,0000,0000,0000,,in experimental places. Dialogue: 0,0:15:48.29,0:15:49.59,Default,,0000,0000,0000,,That's London Fashion Week, Dialogue: 0,0:15:49.62,0:15:51.46,Default,,0000,0000,0000,,where we built a system with O2, Dialogue: 0,0:15:51.49,0:15:54.23,Default,,0000,0000,0000,,that's for the Wireless Festival\Nin Hyde Park, Dialogue: 0,0:15:54.26,0:15:55.36,Default,,0000,0000,0000,,you can see the persons Dialogue: 0,0:15:55.38,0:15:57.12,Default,,0000,0000,0000,,walking in with their VIP band, Dialogue: 0,0:15:57.14,0:15:57.60,Default,,0000,0000,0000,,it's just being checked Dialogue: 0,0:15:57.62,0:15:58.70,Default,,0000,0000,0000,,by the Nokia phone\Nthat's reading the band. Dialogue: 0,0:15:58.72,0:16:00.40,Default,,0000,0000,0000,,I'm only putting those up to show you Dialogue: 0,0:16:00.42,0:16:01.63,Default,,0000,0000,0000,,these things are prosaic, Dialogue: 0,0:16:01.65,0:16:03.51,Default,,0000,0000,0000,,this stuff works in these environments. Dialogue: 0,0:16:03.53,0:16:04.96,Default,,0000,0000,0000,,They don't need to be special. Dialogue: 0,0:16:04.99,0:16:10.88,Default,,0000,0000,0000,,So finally, I know that you can do this, Dialogue: 0,0:16:11.79,0:16:14.67,Default,,0000,0000,0000,,because if you saw\Nthe episode of Doctor Who, Dialogue: 0,0:16:14.69,0:16:16.57,Default,,0000,0000,0000,,the Easter special of Doctor Who, Dialogue: 0,0:16:16.59,0:16:19.94,Default,,0000,0000,0000,,where he went to Mars in a bus, Dialogue: 0,0:16:19.97,0:16:21.51,Default,,0000,0000,0000,,I should say again\Nfor our foreign students, Dialogue: 0,0:16:21.53,0:16:23.18,Default,,0000,0000,0000,,that doesn't happen every episode. Dialogue: 0,0:16:23.20,0:16:24.65,Default,,0000,0000,0000,,This was a very special case. Dialogue: 0,0:16:24.68,0:16:27.89,Default,,0000,0000,0000,,So in the episode where\Nhe goes to Mars in a London bus, Dialogue: 0,0:16:27.92,0:16:29.56,Default,,0000,0000,0000,,I can't show you the clip, Dialogue: 0,0:16:29.59,0:16:32.59,Default,,0000,0000,0000,,due to the outrageous restrictions\Nof Queen Anne-style copyright Dialogue: 0,0:16:32.61,0:16:34.48,Default,,0000,0000,0000,,by the BBC, Dialogue: 0,0:16:34.51,0:16:37.22,Default,,0000,0000,0000,,but in the episode\Nwhere he goes to Mars in a London bus, Dialogue: 0,0:16:37.24,0:16:41.36,Default,,0000,0000,0000,,Doctor Who is clearly shown\Ngetting on to the bus Dialogue: 0,0:16:41.38,0:16:42.66,Default,,0000,0000,0000,,with the Oyster card reader Dialogue: 0,0:16:42.68,0:16:44.22,Default,,0000,0000,0000,,using his psychic paper. Dialogue: 0,0:16:44.25,0:16:46.32,Default,,0000,0000,0000,,Which proves that psychic paper Dialogue: 0,0:16:46.34,0:16:48.03,Default,,0000,0000,0000,,has an MSE interface. Dialogue: 0,0:16:48.05,0:16:50.06,Default,,0000,0000,0000,,Thank you very much.