turntable.fm is now available for your iPhone! turntable lets you play music together with your friends and other people online. Each DJ takes a turn playing a song and the entire virtual room hears the song. You can vote on whether the song is awesome or lame and if it receives too many lame votes, it gets skipped. turntable is also truly social. You can chat with people in your room or fan your favorite DJs so that you can find them l...