BBC NEWS | Technology | Napster offers rented music to go: "'Music fans are moving away from buying the traditional bundled package of a dozen or more songs that we used to call an album to newer ways that fit their lifestyle; either single tracks or subscriptions services,' said Paul Myers, chief executive of Wippit, a UK-based music download service."
Interesting no? I think there are 2 things that will set the system apart.
I think the licensing will help make the implementation easier. Hopefully the licensing and the implementation will attract the critical component.