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both of which <strong>the</strong>y constantly try to avoid, in part by employing a "community<br />

policing" policy where users "turn in" offenders. When found, copyrighted material<br />

and pornography are removed.<br />

Lest you think every video at YouTube is of <strong>the</strong> "Snakes on a Plane" variety , <strong>the</strong>re is<br />

so much user-created video available that <strong>the</strong>re is at least a little bit of everything as<br />

well as a lot of some things. Take a look at this snapshot of <strong>the</strong> News & 810gs<br />

category, which shows <strong>the</strong> most popular tags in this category and thumbnail images<br />

of <strong>the</strong> most popular videos. Video tags created and added to uploaded videos is<br />

crucial to <strong>the</strong> success of any video being found using search, which motivates video<br />

creators to properly and adequately tag <strong>the</strong>ir videos. However, <strong>the</strong> tags are solely<br />

<strong>the</strong> discretion of <strong>the</strong> video's creator (i.e., <strong>the</strong>re is no standard taxonomy) .<br />

News & Slogs<br />

News, 810gs, LocalIssues ..<br />

popul~r T~9S In News & Bl09S<br />

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terror Videos in News & 810g51-15 of 559<br />

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We cannot afford to ignore sites such as YouTube because this is where users go<br />

every day to share and view <strong>the</strong>ir own homespun videos. It is an important new form<br />

of communication via <strong>the</strong> Internet.<br />

Summary:<br />

» Sources of video data: only searches for user-submitted videos hosted at its<br />

own <strong>web</strong>site .<br />

» Video viewed: at YouTube using MacroMedia Flash.<br />

340 UNCLASSIFIEOHFOR OFFlCllIcL l::JSE Ot4L¥

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