clipped from: bofftravel.blogspot.com   
I've shamelessly lifted this from Forbes magazine - it's their list of top 10 videos that made YouTube famous. Each video is an exemplar in some way and representative of what YouTube can offer (asides from mind-numbing banality).
SNL - Lazy Sunday
Hillary 1984
OK Go - Here It Goes Again
Avril Lavigne - Girlfriend
Guitar
Evolution Of Dance
Pokemon Theme Music Video
Lonelygirl15 - First Blog/Dorkiness Prevails
Stephen Colbert - 2006 White House Correspondents' Association Dinner
To view, click here.
Free Hugs Campaign
To read the Forbes article, click here.