"Here’s a cool way for music artists to reward their biggest fans and get some Viral Marketing® in return: drummer Travis Barker and turntablist DJ-AM (aka Adam Goldstein) are offering their just-released second mixtape, “Fix Your Face Vol. 2 - Coachella ‘09″, up for free download in exchange for a mere Twitter message."
TRV$DJAM Charges Nothing But A Tweet For New Mixtape
techcrunch.com