Collaborate online for cash

Could this be the future of online collaboration? Minimum Noise is a new site offering users the opportunity to make money by contributing parts to other musicians' work, or pay to have others supply the missing parts to their unfinished projects.

It's an intriguing idea, and the lure of cold hard cash is always a tempting one. So is this the way we'll make music together in the future, or a creative dead end?