The success of YouTube has come largely from the site's utility to "pass along" video clips to blogs and social networking sites, according to two of our most astute observers of the Internet media scene, Henry Jenkins of MIT and online video analyst Brian Haven of Forrester Research. Jenkins is a big fan of YouTube, which he calls the "modern vaudeville" -- but he is not impressed with the social networking environment of the site. YouTube has created a new kind of content distribution system. Video content creators from small fries like Beet.TV to big shots like the BBC are embracing the platform to expand audience and brand awareness. See this video on Beet.TV: http://www.beet.tv/2007/03/youtube_works.html Less