Webcam wonder: It's Keenan's world, for now

Keenan Cahill, 16,( right) of suburban Chicago, performs with Jeremih Felton at Manor nightclub in Chicago. When he was 13, Cahill started making videos of himself lip-syncing to popular songs and posting them on YouTube. He now gets millions of hits and has become a YouTube sensation who also makes appearances with celebrities to promote their songs. He's also made commercials for Juicy Fruit gum and Smartwater.