People generally like to subscribe to celebrities.

To me, there's a difference between going to a concert and getting a recording. It's almost like a different release. The physical album itself is the more meaningful one for me, but I don't want to tell people how to listen to music.

I think people should consume their music any way they want. If it's more practical for them to listen to it on an iPod or something, that's fine by me.

There's a branch of math called the foundations of math. It's kind of like quantum mechanics. It's about how this very complex theory of math can be built up from very basic parts.

If you're going to download an MP3, as a recording, it's sort of like an archive of something that has happened - that has a beginning and an end and can be released. The infiniteness escaped.

Especially with iPhones, iPads and apps, there's just so much detachment that you're just flicking your fingers on a smooth surface to get the weather or whatever.

Computers are only capable of a certain kind of randomness because computers are finite devices.