Before WWDC, all the buzz about iCloud was that it would bring a music subscription model to iTunes. As it turned out, iCloud is nothing of the sort, with syncing being the main feature of iCloud.
While hope springs eternal that Jobs and co. will see the good sense and offer a Spotify clone sooner rather than later, it seems one of the Cupertino outfit's smartphone competitors could be about offer a somewhat new take on the music sharing situation, and it's an interesting one...