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No matter what kind of video creator you are, copyright directly impacts the videos you make, and the way

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you use YouTube. Today millions of people around the world upload their own videos to YouTube.

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They document world events, create home movies, and make their own independent films.

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And sometimes, even though it's against our rules

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Fans pay tribute to a new hit song they love, or their favorite movie or TV show.

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By uploading videos to YouTube that use content created by others.

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So how can copyright holders identify these uses of their content on YouTube, control them, and even take

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advantage of these new forms of user distribution? The answer is Content ID. The system we've built that

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gives copyright holders choices about whether and how their content is shown on YouTube.

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Here's how it works: copyright holders give us copies of their audio recordings and videos that

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they want to look for on YouTube.

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We call these copies reference files,

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and put these files in a database. This database contains over three million files, from pop songs to

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full-length movies. Every time you upload a video to YouTube, we quickly compare it against every reference

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file in our entire database, looking for a match. Content ID can identify audio matches,

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video matches, partial matches,

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and can even identify a match when one video's quality is worse then the other. Each time Content ID

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finds a match,

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we do what the copyright holder asks us to do with that video. Either block it,

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leave it up, or even start making money from it. With over twenty-four hours of video uploaded to

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YouTube every minute,

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Content ID works around the clock

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It scans over one hundred years of video every day.

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it's like thirty six thousand people staring,

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without blinking,

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at thirty six thousand monitors. All day. Every day.

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Now, copyright management is easy and accesible for everyone.

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Artists can let fans re-use their content.

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And fans can create promotional and business opportunities for their favorite artists --

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making Content ID a true win-win that enables new forms of creativity and collaboration aournd the world.

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You can learn more about Content ID by going to youtube.com/t/contentid.