In 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.

There are millions of people who consume music illegally every month. Just getting them into a legal service will make the music industry way bigger than it's ever been before.

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.

Ask yourself: given everything you have to do, is there a way that we can make this better?

In 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.

But right now we have an advantage of being the number one in music.

With Twitter and other social networking tools, you can get a lot of advice from great people. I learn more from Twitter than any survey or discussion with a big company.