WEBVTT 00:00:11.011 --> 00:00:13.328 Okay, ladies and gentlemen, welcome. 00:00:14.488 --> 00:00:15.636 There is a question 00:00:15.636 --> 00:00:17.811 which has puzzled me for quite a while, 00:00:18.261 --> 00:00:21.538 and that is, Why do our PowerPoints look the way they look? 00:00:22.228 --> 00:00:26.978 Or rather, How on earth, can we accept that they look the way they look? 00:00:26.978 --> 00:00:28.679 How can you do that? 00:00:29.249 --> 00:00:30.265 And do you know 00:00:30.265 --> 00:00:33.372 what's even more intellectually challenging for me to understand? 00:00:33.372 --> 00:00:37.508 It's, How can a person sit over here in this meeting room with 10 others, 00:00:37.508 --> 00:00:39.733 observing this dismally bad PowerPoint 00:00:39.733 --> 00:00:43.976 filled with charts, graphical elements, page numbers, 00:00:44.996 --> 00:00:48.390 fading away five, seven minutes, thinking of other things? 00:00:48.390 --> 00:00:52.389 You know the feeling, the boredom, the waste of time? 00:00:53.725 --> 00:00:55.826 This person, after 40 minutes, 00:00:55.826 --> 00:00:58.432 he or she will stand up, a bit dazed, 00:00:58.432 --> 00:01:01.685 trotting off to his own office, coming to his own computer, 00:01:01.685 --> 00:01:05.107 flipping it up, going like, 'Oh my god, I've got a presentation tomorrow, 00:01:05.107 --> 00:01:07.390 and I do have a PowerPoint to build.' 00:01:07.390 --> 00:01:08.390 (Laughter) 00:01:08.390 --> 00:01:12.418 Now, what is the chance that this person will build an equally bad PowerPoint 00:01:12.418 --> 00:01:15.819 as the one that he or she was herself tortured by 00:01:15.819 --> 00:01:17.758 in the other conference room? 00:01:17.758 --> 00:01:19.442 Is that a big chance? 00:01:20.112 --> 00:01:21.205 Yeah. 00:01:21.832 --> 00:01:23.154 Now, what is that? 00:01:23.154 --> 00:01:25.874 Why do we do that? Is that vengeance? 00:01:25.874 --> 00:01:28.263 Is that where you go like, 'You did that to me. 00:01:28.263 --> 00:01:31.060 Phew! I'm going to do it to you. You got it coming, bro'? 00:01:31.720 --> 00:01:34.087 Is that the case? I don't think so. 00:01:34.087 --> 00:01:38.035 I don't think that's got to do with vengeance, intelligence. 00:01:38.318 --> 00:01:40.663 I think it's got to do with something else. 00:01:40.663 --> 00:01:43.208 Now, my passion in life is the brain, 00:01:43.208 --> 00:01:46.693 and an even bigger passion that is presentation skills. 00:01:46.693 --> 00:01:49.051 And I love combining these two. 00:01:49.921 --> 00:01:51.841 And about four years ago, 00:01:51.841 --> 00:01:55.201 I got so, so upset I blew my top 00:01:56.747 --> 00:02:00.040 because the way that we do neural executions 00:02:00.040 --> 00:02:03.093 all over our boardrooms today is just - 00:02:03.093 --> 00:02:06.309 it's not fair to our intelligence as being Homo sapiens. 00:02:07.627 --> 00:02:10.555 So I thought there's got to be something we can do about this, 00:02:10.555 --> 00:02:13.365 so I searched the world, I looked for seminars, 00:02:13.365 --> 00:02:16.017 I looked for training programs, I looked for books 00:02:16.907 --> 00:02:19.216 that could solve this question for me, 00:02:19.216 --> 00:02:21.551 but there was none to be found. 00:02:21.551 --> 00:02:25.282 So I thought, 'Well, I'll just do as Franz Kafka said, 00:02:25.282 --> 00:02:27.930 "If it isn't written, write it yourself."' 00:02:27.930 --> 00:02:29.209 And four years later, 00:02:29.209 --> 00:02:32.058 I have the great honour to stand here in front of you. 00:02:32.908 --> 00:02:34.065 What am I talking about? 00:02:34.065 --> 00:02:36.071 What are the PowerPoints I'm referring to? 00:02:36.071 --> 00:02:37.531 They can look like this. 00:02:37.901 --> 00:02:41.654 Now, this is one of the top three universities in the world, 00:02:41.654 --> 00:02:46.111 advising their students and their teachers on how to build great PowerPoints. 00:02:48.626 --> 00:02:50.846 I received this from a customer, 00:02:51.246 --> 00:02:53.824 and you've got to be semi-blind 00:02:54.134 --> 00:02:57.175 in order to even have something like this in the company. 00:02:58.005 --> 00:02:59.348 I love this one. 00:03:00.096 --> 00:03:03.372 This one was awarded the prize of being the worst PowerPoint 00:03:03.372 --> 00:03:06.623 delivered by a public CEO in 2010. 00:03:06.623 --> 00:03:08.515 It's a nice prize to pick up, isn't it? 00:03:08.515 --> 00:03:09.525 'Oh yes, thank you.' 00:03:09.525 --> 00:03:10.595 (Laughs) 00:03:10.985 --> 00:03:12.169 Well done, mate. 00:03:12.849 --> 00:03:15.763 And then you're like, 'This is bad. Can it get worse?' 00:03:16.553 --> 00:03:17.556 Yes, it can. 00:03:17.556 --> 00:03:20.065 (Laughter) 00:03:20.065 --> 00:03:22.978 Now, this is the UN in Afghanistan, 00:03:23.388 --> 00:03:27.304 the US military describing the situation in the area. 00:03:28.094 --> 00:03:30.927 And, well, there are no comments on that. 00:03:32.168 --> 00:03:33.356 But then we get this one. 00:03:33.356 --> 00:03:37.515 'My god, David Phillips, this has got to be the thing. 00:03:37.515 --> 00:03:39.573 This has got limited amounts of text. 00:03:39.573 --> 00:03:41.227 It's got a supporting image. 00:03:41.227 --> 00:03:42.983 It's got a clear headline. 00:03:42.983 --> 00:03:44.793 This is the truth.' 00:03:45.984 --> 00:03:47.675 Well, the thing is, 00:03:47.675 --> 00:03:49.805 if you recognise yourself in any of these, 00:03:49.805 --> 00:03:52.405 which I think you do, nodding away, 00:03:53.255 --> 00:03:55.696 I want to make you aware of the following: 00:03:55.696 --> 00:03:59.451 that if you've delivered a presentation with something like that behind you, 00:04:02.112 --> 00:04:04.839 90% of what you said 00:04:06.148 --> 00:04:08.668 was gone within 30 seconds. 00:04:09.948 --> 00:04:13.343 And then you go, 'No, no, no way, Jose, 00:04:13.343 --> 00:04:16.334 that is way - I know it's bad, but it can't be that bad, 00:04:16.334 --> 00:04:17.879 can it now, really?' 00:04:18.229 --> 00:04:21.951 Well, just let me give you an example of really how bad your working memory is, 00:04:21.951 --> 00:04:23.891 and mine, for that case. 00:04:23.891 --> 00:04:25.962 I want you to imagine this situation. 00:04:25.962 --> 00:04:28.342 You're at the train station, waiting for the train. 00:04:28.342 --> 00:04:30.459 You can see it coming on the horizon. 00:04:30.459 --> 00:04:33.510 You're fiddling away, you finally find where you put your ticket. 00:04:33.510 --> 00:04:36.940 And you take it out, and you go, 'Car five, seat 42. Got it.' 00:04:37.570 --> 00:04:38.580 Have you? 00:04:38.580 --> 00:04:39.972 (Laughter) 00:04:39.972 --> 00:04:42.949 You have absolutely no idea where you're going to sit, do you? 00:04:42.949 --> 00:04:46.235 So, you're like, 'Is this only me, or ... Well, I'll check. Five, 42.' 00:04:46.235 --> 00:04:47.303 You put it down again. 00:04:47.303 --> 00:04:48.296 Have you got it? 00:04:48.296 --> 00:04:49.907 No, you haven't got it. 00:04:49.907 --> 00:04:53.688 You'll do this on an average of six times before you sit down. 00:04:53.688 --> 00:04:56.163 I've seen people in the train go, 00:04:56.163 --> 00:05:00.226 'Five, 42, five, 42. Yes, this is my seat, check.' 00:05:00.969 --> 00:05:03.629 Now, the bad news in the situation is this: 00:05:03.629 --> 00:05:07.156 you do not have a separate working memory for PowerPoint 00:05:07.156 --> 00:05:10.009 and a separate working memory for train tickets. 00:05:10.319 --> 00:05:15.402 It's the same dismally bad working memory for both activities. 00:05:17.668 --> 00:05:20.663 So, I might be harsh when I say this, 00:05:20.663 --> 00:05:22.730 but there is one man on this earth 00:05:22.730 --> 00:05:25.055 who knows more about the brain than anybody else, 00:05:25.055 --> 00:05:27.925 one of the most leading neurologists called John Medina, 00:05:27.925 --> 00:05:29.845 and he puts it like this. 00:05:29.845 --> 00:05:32.455 [If companies would have as little respect for business 00:05:32.455 --> 00:05:33.936 as they have for presentations, 00:05:33.944 --> 00:05:35.542 the majority would go bankrupt.] 00:05:35.542 --> 00:05:41.393 And it's with his words that I welcome you to 'How to Avoid Death by PowerPoint'. 00:05:42.386 --> 00:05:45.621 Now, my objective for this evening, for these 18 minutes, 00:05:45.621 --> 00:05:48.520 is to give you five design principles 00:05:49.039 --> 00:05:53.941 that will cognitively and psychologically optimise your PowerPoint slides. 00:05:54.573 --> 00:05:56.652 And if you haven't used them before, 00:05:57.152 --> 00:05:59.683 they will make a tremendous difference 00:05:59.683 --> 00:06:03.493 to every PowerPoint you'll be delivering from this day and on. 00:06:05.051 --> 00:06:06.358 So, let's start. 00:06:06.358 --> 00:06:08.782 The first one of these five is one message. 00:06:08.782 --> 00:06:10.346 I received this from a customer, 00:06:10.346 --> 00:06:13.567 and I said, 'Hey, we've got a lot of issues in here, 00:06:13.567 --> 00:06:15.285 but let's start with the first one. 00:06:15.285 --> 00:06:16.836 You've got two messages. 00:06:16.836 --> 00:06:21.063 Let's move one of them out of the way, and just bring one message per slide.' 00:06:21.683 --> 00:06:24.367 So, why should we only have one message per slide? 00:06:24.367 --> 00:06:26.393 Well, I'll give you this beautiful example. 00:06:26.393 --> 00:06:29.572 You're at this nice party, you've got the music going boom-boom, 00:06:29.572 --> 00:06:31.766 you've got this person you're chatting away to, 00:06:31.766 --> 00:06:33.033 you're having a good time. 00:06:33.033 --> 00:06:34.353 (Imitates chatter) 00:06:34.353 --> 00:06:37.534 And then you hear your name; you hear your name spoken somewhere. 00:06:37.534 --> 00:06:40.786 Your entire attention is now diverted in that direction, 00:06:41.686 --> 00:06:43.849 and with this person, you're just nodding away 00:06:43.849 --> 00:06:46.479 hoping that you're nodding in the right instances, yeah? 00:06:46.479 --> 00:06:47.483 Yes, yes, yes. 00:06:47.483 --> 00:06:49.772 After a minute, this one stops talking about you, 00:06:49.772 --> 00:06:51.822 so you divert your attention straight again. 00:06:51.822 --> 00:06:54.996 Now, that person will then say, 'Well, don't you agree?' 00:06:54.996 --> 00:06:57.011 And don't we just love that situation? 00:06:57.011 --> 00:06:59.603 We have got no clue what they've been talking about. 00:07:00.023 --> 00:07:01.822 The same thing goes for PowerPoint. 00:07:01.822 --> 00:07:03.808 If you've got more than one message, 00:07:03.808 --> 00:07:07.075 the chance is big they will be focusing on this one and not that one, 00:07:07.075 --> 00:07:09.060 or that one and not this one. 00:07:09.060 --> 00:07:11.164 Just make it simple for human beings. 00:07:11.164 --> 00:07:12.818 Have one message per slide. 00:07:12.818 --> 00:07:15.465 We are extremely limited to understanding more. 00:07:17.746 --> 00:07:19.791 Let's move on. Go to working memory. 00:07:19.791 --> 00:07:23.875 I've already given you this bad vibe that your working memory is bad, 00:07:23.875 --> 00:07:27.220 and I'm afraid I'm not coming with better news. 00:07:27.220 --> 00:07:30.593 I'm coming with worse news, and it goes like this. 00:07:30.593 --> 00:07:35.048 This equation has the basis of John Sweller and Mayer, 00:07:35.048 --> 00:07:36.523 and they come to the conclusion 00:07:36.523 --> 00:07:39.747 that there is something in our brain called 'the redundancy effect', 00:07:39.747 --> 00:07:40.922 and it works like this. 00:07:41.062 --> 00:07:45.381 If you have text, sentences on your PowerPoint, 00:07:45.381 --> 00:07:50.095 and you persist with the annoying idea of speaking at the same time, 00:07:51.931 --> 00:07:54.779 what will be remembered by the audience 00:07:54.779 --> 00:07:55.869 is zero. 00:07:55.869 --> 00:07:57.159 (Laughter) 00:07:57.159 --> 00:07:59.110 Or very close to zero. 00:07:59.530 --> 00:08:03.875 Now, why is that? How does that come about? 00:08:03.875 --> 00:08:07.226 Well, it can't look like this. It's just not practical. 00:08:07.226 --> 00:08:09.868 You can't stand and have this and talk at the same time. 00:08:09.868 --> 00:08:11.419 So, what are you supposed to do? 00:08:11.419 --> 00:08:14.604 Well, use PowerPoint for what it's supposed to be used for. 00:08:15.494 --> 00:08:18.682 Pick it like this, pull down your text into the documentation field, 00:08:18.682 --> 00:08:21.548 and use the area up there for the presentation material: 00:08:21.548 --> 00:08:24.132 short, sweet bits of text and an image. 00:08:24.132 --> 00:08:26.062 That is what enhances your image. 00:08:26.192 --> 00:08:28.497 That is what enhances your message. 00:08:28.847 --> 00:08:31.690 So use PowerPoint as it's supposed to be used. 00:08:33.560 --> 00:08:35.794 Come to the third of these five principles, 00:08:35.794 --> 00:08:37.308 and that's size. 00:08:37.788 --> 00:08:38.862 Before I go into that, 00:08:38.862 --> 00:08:41.612 I want to make you aware the following. 00:08:42.332 --> 00:08:45.350 Every time you open your eyes for the rest of your life, 00:08:45.684 --> 00:08:47.690 you will focus on four things: 00:08:47.690 --> 00:08:52.728 moving objects, signalling colours, like red, orange and yellow, 00:08:53.345 --> 00:08:57.813 contrast-rich objects and big objects for the rest of your life. 00:08:58.693 --> 00:09:00.495 Give you a practical example of that. 00:09:00.495 --> 00:09:03.601 Imagine yourself being home with a friend, a really good friend. 00:09:03.601 --> 00:09:06.862 Now, the television is on, but the sound is off. 00:09:07.932 --> 00:09:09.626 You're having a great conversation, 00:09:09.626 --> 00:09:12.331 but do you find it easy to not look at the television? 00:09:12.511 --> 00:09:14.037 No. Why not? 00:09:14.037 --> 00:09:15.854 Because it's got moving objects, 00:09:15.854 --> 00:09:18.260 it's got signalling colours, it's high in contrast, 00:09:18.260 --> 00:09:20.572 and they're usually very big these times. 00:09:22.810 --> 00:09:25.055 So, why not use this to our benefit? 00:09:25.055 --> 00:09:27.812 If you look at this, where is your attention drawn to 00:09:27.812 --> 00:09:30.986 without you even having a chance of controlling it? 00:09:30.986 --> 00:09:33.592 It's going to the big three all the time. 00:09:33.592 --> 00:09:36.411 Have a look at the practical situation; have a look at this. 00:09:36.411 --> 00:09:37.798 Where are your eyes drawn to? 00:09:37.798 --> 00:09:40.426 I can see that they're drawn constantly to the headline. 00:09:41.251 --> 00:09:45.282 Now, how often is the headline the most important part in a PowerPoint? 00:09:45.282 --> 00:09:46.972 It's very rare. 00:09:48.144 --> 00:09:52.115 Even so, every PowerPoint template is built like this, 00:09:52.115 --> 00:09:56.405 where the headline is the biggest object, and the content is the smallest - 00:09:56.405 --> 00:09:59.773 going absolute opposite to our biological reactions. 00:10:00.163 --> 00:10:03.993 So, what does this look like if we just show you an example? 00:10:03.993 --> 00:10:06.823 Well, now I've reduced the title, and it looks like this. 00:10:06.823 --> 00:10:09.686 Do you see how your eyes now fall down into the content? 00:10:09.686 --> 00:10:11.856 Now they're sucked into the headline, 00:10:11.856 --> 00:10:13.080 (Laughter) 00:10:13.080 --> 00:10:15.505 and now they're falling down into the content. 00:10:15.505 --> 00:10:18.065 So I can control exactly where you are, 00:10:18.065 --> 00:10:21.609 but why do people build PowerPoints 00:10:21.609 --> 00:10:24.494 where people will be spending 70% of the time on the headline 00:10:24.494 --> 00:10:26.592 when it's not the most important part? 00:10:27.302 --> 00:10:29.447 So, what I want you to take with you from this 00:10:29.447 --> 00:10:31.566 is the most important part of your PowerPoint 00:10:31.566 --> 00:10:34.333 should also be the biggest, nothing else. 00:10:35.359 --> 00:10:38.036 Moving on to number four, contrast. 00:10:41.026 --> 00:10:44.179 Contrast controls your focus. 00:10:44.413 --> 00:10:45.791 So, what does that look like? 00:10:45.791 --> 00:10:47.889 For instance, if I show you a list like this, 00:10:47.889 --> 00:10:49.222 your eyes are over the place 00:10:49.222 --> 00:10:51.694 because you don't really know what to focus on. 00:10:51.694 --> 00:10:55.307 So, I'll use a built-in functionality into PowerPoint, which goes like this. 00:10:55.308 --> 00:10:58.387 I'll show you the first subject, I'll take it away with contrast, 00:10:58.387 --> 00:10:59.959 and I'll show you the second one, 00:10:59.959 --> 00:11:03.242 and I'll do it again and again and again and again. 00:11:03.242 --> 00:11:05.386 You're now following exactly the white spot. 00:11:05.386 --> 00:11:07.608 If I do this - dun-dun-dun-dun - 00:11:07.608 --> 00:11:09.791 I can see your eyes just wobbling around, 00:11:09.791 --> 00:11:13.626 and you're a bit like a kitten going after a little laser pointer on the wall, 00:11:13.626 --> 00:11:16.081 going like, 'Where is it? I've got it. I've got it.' 00:11:16.081 --> 00:11:19.624 Because you're following where the white spot is, and not the rest. 00:11:20.208 --> 00:11:21.793 Now, this is a beautiful example. 00:11:21.793 --> 00:11:23.633 Please do use this. 00:11:23.633 --> 00:11:27.079 Use it because you can show amazing big tables like this 00:11:27.079 --> 00:11:29.936 if you use the effect of contrast, the principle of contrast. 00:11:29.936 --> 00:11:31.193 Look what this looks like. 00:11:31.193 --> 00:11:34.306 Your eyes are all over the place; you don't know what to focus on, 00:11:34.306 --> 00:11:36.310 but I just apply the principle of contrast, 00:11:36.310 --> 00:11:40.074 and it looks like that, and suddenly, you know exactly what to focus on. 00:11:40.074 --> 00:11:41.817 Here, they're all over the place, 00:11:41.817 --> 00:11:44.211 and here, they're exactly where I want them. 00:11:45.801 --> 00:11:49.117 Now, there's a big, major drawback with PowerPoints, 00:11:49.117 --> 00:11:53.249 and that is that the majority of companies on this earth today, 00:11:53.543 --> 00:11:57.157 they persist in having white backgrounds in PowerPoint. 00:11:57.157 --> 00:11:58.957 Look at that. 00:11:58.957 --> 00:12:00.876 Oh, it's bright, it's shiny. 00:12:00.876 --> 00:12:04.955 Could you tell me who has the highest contrast, me or the screen? 00:12:04.955 --> 00:12:06.189 Well, the screen. 00:12:06.189 --> 00:12:08.244 Who's usually the biggest, me or the screen? 00:12:08.244 --> 00:12:09.449 Well, the screen. 00:12:09.449 --> 00:12:13.277 So the only option I have is dress myself up in signalling colours 00:12:13.277 --> 00:12:14.287 (Laughter) 00:12:14.287 --> 00:12:18.006 and jump around on stage in order to balance that problem out, 00:12:18.746 --> 00:12:21.295 and that is obviously not a good corporate strategy 00:12:21.295 --> 00:12:23.169 in the long term, would it be? 00:12:23.169 --> 00:12:26.765 I think the long-term strategy is to just switch it around. 00:12:26.765 --> 00:12:29.450 PowerPoint is not supposed to have white backgrounds. 00:12:29.450 --> 00:12:31.568 If I do this, your eyes relax. 00:12:31.568 --> 00:12:32.758 You focus on me. 00:12:32.758 --> 00:12:33.977 I'm the biggest object. 00:12:33.977 --> 00:12:36.249 I'm the most contrast-rich object. 00:12:37.199 --> 00:12:38.215 I got your focus. 00:12:38.215 --> 00:12:39.938 Why is that important? 00:12:40.900 --> 00:12:45.054 It's important because I am, I always have been, 00:12:45.054 --> 00:12:48.011 and I always will be the presentation. 00:12:48.652 --> 00:12:51.065 That is my visual aid. 00:12:56.895 --> 00:13:01.752 Moving into the last principle, and that is objects. 00:13:03.336 --> 00:13:06.786 Now, this is one of the most severe principles, 00:13:06.786 --> 00:13:07.916 and it goes like this. 00:13:07.916 --> 00:13:10.010 How many objects do I have here? 00:13:10.010 --> 00:13:12.741 If you count them quickly, you'll see that I've got 16. 00:13:12.741 --> 00:13:14.987 Do you see this little beauty at the end as well 00:13:14.987 --> 00:13:17.400 which goes 'page 12 of 95'? 00:13:17.762 --> 00:13:19.039 What is that? 00:13:19.039 --> 00:13:20.802 Why do we do that? 00:13:20.802 --> 00:13:22.302 That only creates anxiety. 00:13:22.302 --> 00:13:26.487 If anything, you are, 'Oh my god, I can't take 83 more of those.' 00:13:26.487 --> 00:13:27.890 (Laughter) 00:13:28.390 --> 00:13:30.907 But, it can also create hope 00:13:31.347 --> 00:13:32.789 because imagine ... 00:13:33.339 --> 00:13:36.159 imagine when it's 90 out of 95. 00:13:36.159 --> 00:13:40.008 'Oh, I can see the lights; I can see the end of the tunnel.' 00:13:42.517 --> 00:13:44.741 Kidding aside, don't do that. 00:13:45.521 --> 00:13:47.866 Now, there are so many ideas out there 00:13:47.866 --> 00:13:51.258 on how many objects you're supposed to have in PowerPoint, 00:13:51.698 --> 00:13:54.437 and once and for all, I just want to put my foot down 00:13:54.437 --> 00:13:57.456 and state to you that this is the perfect amount. 00:13:57.456 --> 00:14:00.130 In order to do that, I want you to just feel it yourself. 00:14:00.130 --> 00:14:02.640 How many objects are you supposed to have? 00:14:02.640 --> 00:14:06.018 And we're going to do that by showing you a couple of balls. 00:14:06.018 --> 00:14:07.516 I'll throw up the balls. 00:14:07.516 --> 00:14:09.825 I want you to nod to me when you've counted them. 00:14:09.825 --> 00:14:12.057 Simple instruction. You with me? 00:14:12.447 --> 00:14:13.655 Cool, here we go. 00:14:13.655 --> 00:14:14.708 Boom. 00:14:16.789 --> 00:14:19.793 Alright, takes you about two seconds. 00:14:19.793 --> 00:14:21.433 Good. Well done. 00:14:21.433 --> 00:14:22.719 Your next set of balls. 00:14:22.719 --> 00:14:25.121 Count them, and nod to me when you've counted them. 00:14:25.121 --> 00:14:26.251 Here we go. 00:14:27.206 --> 00:14:28.461 Excellent. Yeah. 00:14:28.461 --> 00:14:30.781 That took you about 1.2 seconds if you're normal, 00:14:30.781 --> 00:14:33.309 which about 90% of you seem to be. 00:14:33.309 --> 00:14:34.469 (Laughter) 00:14:34.469 --> 00:14:37.139 We'll have the third set of balls, the last one. 00:14:37.139 --> 00:14:39.511 Look at this, nod to me when you've counted them. 00:14:40.285 --> 00:14:42.785 Oh, what was that? 00:14:43.187 --> 00:14:47.240 I just pressed the button, and you nodded simultaneously. 00:14:47.469 --> 00:14:51.358 That will, if you are normal, take you 0.2 seconds, 00:14:51.358 --> 00:14:53.201 two-tenths of a second. 00:14:53.201 --> 00:14:57.682 This will take you 1.2, this will take you two-tenths of a second. 00:14:57.682 --> 00:15:00.007 And for anyone of you who - you're good at math, 00:15:00.007 --> 00:15:05.005 you'll find out that that number is approximately 500% difference. 00:15:05.639 --> 00:15:07.873 How is that even remotely possible? 00:15:07.873 --> 00:15:10.481 There are only two objects in difference. 00:15:11.121 --> 00:15:13.548 Well, might I suggest the following: 00:15:13.548 --> 00:15:15.623 this one you have to count, 00:15:15.623 --> 00:15:17.480 and this one you see. 00:15:17.480 --> 00:15:19.207 Could that be correct? 00:15:20.037 --> 00:15:22.577 So what you've just experienced is the following: 00:15:22.577 --> 00:15:24.801 that the cognitive process of counting 00:15:24.801 --> 00:15:30.258 takes 500% longer time, requires 500% more energy resources 00:15:30.803 --> 00:15:34.406 to execute than just seeing. 00:15:36.674 --> 00:15:41.482 So, what I want you to keep in mind at all times, 00:15:41.962 --> 00:15:44.915 what I want you to keep in your head is this: 00:15:44.915 --> 00:15:45.915 [Sex] 00:15:45.915 --> 00:15:48.519 which is the Swedish number for this: 00:15:48.519 --> 00:15:49.539 [Six] 00:15:49.539 --> 00:15:51.185 (Laughter) 00:15:51.185 --> 00:15:53.718 The magical number is six. 00:15:53.718 --> 00:15:56.348 It's not five, it's not seven, it's six. 00:15:57.188 --> 00:15:59.151 And I want to make you aware of this. 00:15:59.151 --> 00:16:01.486 When you go into a presentation in the future, 00:16:01.486 --> 00:16:04.204 and you've built this amazing PowerPoint, 00:16:04.544 --> 00:16:08.080 if you've got more than seven objects, or seven or more objects, 00:16:08.080 --> 00:16:10.438 you have to be aware that all the people in there, 00:16:10.438 --> 00:16:13.800 they have to use 500% more energy and cognitive resources 00:16:13.800 --> 00:16:16.212 to understand what's in your PowerPoint. 00:16:16.212 --> 00:16:17.349 Now, how do you think 00:16:17.349 --> 00:16:19.826 their energy-saving brain by nature behaves? 00:16:19.826 --> 00:16:24.437 Will it go like, 'Ooh, I'll easily invest 500% more cognitive resources 00:16:24.437 --> 00:16:26.073 to understand this weird slide' 00:16:26.073 --> 00:16:27.233 or, 'I won't'? 00:16:28.303 --> 00:16:29.615 'I won't.' 00:16:29.615 --> 00:16:32.396 And you've just incurred death by PowerPoint. 00:16:33.906 --> 00:16:36.010 Now what does this look like in real life? 00:16:36.010 --> 00:16:37.929 Well, have a look at this. 00:16:37.929 --> 00:16:40.546 Sixteen objects - can we agree that that's too many? 00:16:40.546 --> 00:16:42.174 Yes, we can. 00:16:42.174 --> 00:16:44.946 So, what does it look like if we reduce it? 00:16:44.946 --> 00:16:47.269 Look at this. We go from this to this. 00:16:48.240 --> 00:16:51.246 And this is where your brain goes, 'Ahh'. 00:16:52.026 --> 00:16:54.885 And this is where your brain goes, 'Ugh'. 00:16:55.835 --> 00:16:57.075 Ahh. 00:16:57.075 --> 00:16:58.160 (Laughter) 00:16:58.860 --> 00:17:00.170 Ugh. 00:17:01.697 --> 00:17:04.506 And I assume that in the future 00:17:04.506 --> 00:17:10.329 when you deliver PowerPoints to your colleagues, to your fellow people, 00:17:10.329 --> 00:17:14.956 you want them to go, 'Ahh' 00:17:14.956 --> 00:17:16.742 when you show them your slides. 00:17:16.742 --> 00:17:20.512 You don't want them to go, 'Ugh'. 00:17:23.638 --> 00:17:27.199 Now, there is - have you seen this movie, 00:17:27.199 --> 00:17:30.225 'The Rain Man' by Dustin Hoffman? 00:17:30.225 --> 00:17:31.238 Seen that? 00:17:31.238 --> 00:17:32.595 It's a beauty, isn't it? 00:17:33.135 --> 00:17:35.947 He comes into this cafeteria, and somebody drops toothpicks, 00:17:35.947 --> 00:17:38.590 and he goes like, 'Boom, 247.' 00:17:38.918 --> 00:17:40.529 It's amazing, isn't it? 00:17:40.529 --> 00:17:42.899 His perceptive limit is here. 00:17:43.639 --> 00:17:45.189 Your perceptive limit 00:17:45.189 --> 00:17:47.441 (Laughter) 00:17:47.441 --> 00:17:48.731 is here. 00:17:50.161 --> 00:17:51.831 Now, what amazes me 00:17:51.831 --> 00:17:56.616 is that whichever country I go to, whichever company I see, 00:17:56.616 --> 00:17:58.995 it seems like they build PowerPoints 00:17:58.995 --> 00:18:04.981 in the hope that all their fellow colleagues are autistic or savants, 00:18:04.981 --> 00:18:06.266 (Laughter) 00:18:06.266 --> 00:18:08.923 which obviously is not the case. 00:18:11.411 --> 00:18:16.916 So, but then you go like this, 'But, David, my god. 00:18:16.920 --> 00:18:19.886 This means that I have to have more slides.' 00:18:20.226 --> 00:18:22.166 (Laughter) 00:18:23.952 --> 00:18:26.278 'Yes, that is entirely correct. 00:18:26.278 --> 00:18:28.608 You have understood me clearly.' 00:18:28.968 --> 00:18:30.683 I want to make one thing clear here, 00:18:30.683 --> 00:18:33.774 and that is that the amount of slides in your PowerPoint 00:18:33.774 --> 00:18:37.227 has never been the problem. 00:18:38.562 --> 00:18:44.453 It is the amount of objects per slide which has been the problem. 00:18:45.041 --> 00:18:46.136 The stupid idea 00:18:46.136 --> 00:18:48.865 that corporate organisations all over the world - 00:18:48.865 --> 00:18:51.187 they've come up with limitations going like, 00:18:51.187 --> 00:18:53.517 'Ooh, we've got this clever idea: 00:18:53.517 --> 00:18:55.989 You can't use 40 slides. You can only use four.' 00:18:55.989 --> 00:18:57.639 So what do people do? 00:18:57.645 --> 00:18:58.845 (Laughter) 00:18:58.852 --> 00:19:01.057 Well, they take the content of the rest 36, 00:19:01.057 --> 00:19:03.759 and they jam it in the first four. 00:19:03.759 --> 00:19:07.122 My god, is that counterproductive or what? 00:19:07.122 --> 00:19:09.675 And we call ourselves intelligent. 00:19:11.726 --> 00:19:12.754 No, no. 00:19:12.754 --> 00:19:14.708 Alright, so compared - 00:19:14.708 --> 00:19:19.071 I started off with 95 of those. 00:19:19.481 --> 00:19:22.958 We ended up with 135 of these. 00:19:23.503 --> 00:19:26.071 And yes, it gave an immediate result 00:19:26.071 --> 00:19:28.578 to the application that we were working for. 00:19:30.556 --> 00:19:32.683 So, to summarise this. 00:19:33.023 --> 00:19:35.858 Let's have some fun and do a cross-examination 00:19:35.858 --> 00:19:37.864 because obviously I have to prove my point. 00:19:37.864 --> 00:19:40.521 Do you remember more than 90% of what I said? 00:19:41.051 --> 00:19:42.645 I'm not going to be that harsh. 00:19:42.645 --> 00:19:44.588 Let's do a crossword instead. 00:19:45.268 --> 00:19:46.708 It's going to go like this. 00:19:46.708 --> 00:19:48.023 Words are going to come up. 00:19:48.023 --> 00:19:51.706 I'm going to ask you to scream them out as loud as you can as we go along. 00:19:51.817 --> 00:19:54.719 How many messages are you supposed to have per slide? 00:19:54.719 --> 00:19:55.764 (Audience) One. 00:19:55.764 --> 00:19:56.767 One. Very good. 00:19:56.767 --> 00:19:58.341 (Laughter) 00:19:58.341 --> 00:20:00.892 I think you were looking for a different word there. 00:20:00.892 --> 00:20:02.492 (Laughter) 00:20:03.012 --> 00:20:05.362 What can we use to steer our focus? 00:20:05.362 --> 00:20:06.366 (Audience) Contrast. 00:20:06.366 --> 00:20:07.378 Yes, and another one? 00:20:07.378 --> 00:20:08.401 (Audience) Size. 00:20:08.401 --> 00:20:09.424 Well done. 00:20:09.424 --> 00:20:12.063 What should we avoid using if speaking at the same time? 00:20:12.063 --> 00:20:13.066 (Audience) Sentences. 00:20:13.066 --> 00:20:14.079 Beautiful. 00:20:14.079 --> 00:20:16.420 And what kind of background should we have? 00:20:16.420 --> 00:20:18.408 We should have dark. 00:20:18.408 --> 00:20:19.936 And finally, now you can say it. 00:20:19.936 --> 00:20:21.886 How many objects per slide? 00:20:21.886 --> 00:20:24.526 Six. That is magnificent. 00:20:24.526 --> 00:20:25.606 Thank you very much. 00:20:25.606 --> 00:20:27.996 (Applause) (Cheers)