The Merchants of Cool

A Frontline documentary (60 minutes long) discussing how marketers court the teenage consumer. (I think this will take you straight to the video) (This is the homepage)

In it the documenter says there are 5 major corporations which determine what is "cool":

New Corp
Universal ViVendi
AOL/Time Warrner

These conglomartes are who owns the vast majority of music, movies, video games, television.