This is a way for artists to communicate directly to their fans. If you think of an artist like Bruno Mars, he's using Spotify, creating playlists and listening to music through it.
Daniel EkIn order for a service to be social, you've really got to start from the ground up. The fact that almost a third of the U.S. population have even heard of Spotify is really because they've seen it on Facebook and friends have been sharing.
Daniel Ek