Youtube (Accidental) Audition, The

"So when Robinson began looking for someone to play a teenage Jay-Z in the video for the hit song “Roc Boys (And The Winner Is. . .),” all his casting director had to do was log on to YouTube."

http://www.nytimes.com/2007/12/09/magazine/09youtube.html?_r=1&ref=magazine&oref=slogin