10/05/2011 10:48 am ET | Updated Dec 05, 2011

YouTube's Hidden Tools Find What You Want

Though YouTube calls itself the third most-visited site in the world (after Google and Facebook), it works like an efficient courier service, playing content for you wherever you are on the Web, including Facebook, Twitter, email and instant messages. But while we've been busy watching YouTube videos elsewhere, the site itself grew up.

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