- We saw Rebecca Black's "Friday" cross the 100 million view mark.
- We tracked the debate around David Beckham's viral trick-shot clip.
- We discovered new, dramatic footage from the Japanese tsunami.
- We highlighted the return of Seattle's "Glee" flash-mob.
- We collected exciting footage from a tornado in Wisconsin.
- And this video started out big in Spain and Argentina and spread to the United States:
Check back every day for the latest about what's trending on YouTube at: www.YouTube.com/Trends
Kevin Allocca, YouTube Trends Manager, recently watched "Insane Dude Dancing in Cardiff."