Why videos go viral | Kevin Allocca

Kevin Allocca is YouTube’s trends manager, and he has deep thoughts about silly web video. In this talk from TEDYouth, he shares the 4 reasons a video goes viral. (This is the first talk posted from an amazing TEDYouth event. Many others will come on line next month as part of our TED-Ed launch. We can’t wait ...) TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18