They are the future and they are already here. The web based music libraries that let you listen to “all the music in the world” without downloading a single megabyte. They look a little bit different. Are not equally good. But they are all terribly interesting to use and follow.
www.awdio.com (live streams from clubs around the world)
www.chilirec.com (record songs from web radio stations)
www.musicovery.com (play songs based on your mood and taste)
www.hypem.com (is sweeping blogs for music)