If you're a musician or actor, you know that if you're successful, some level of fame goes along with that. You're prepared. But how often does that happen to a programmer?
I think then, when we started receiving the first of the user feedback, feedback from people that I had not specifically told about it, but had spread from friend to friend and then they were giving us feedback.
I think it's pretty obvious to most people that Napster is not media specific, but I could see a system like Napster evolving into something that allows users to locate and retrieve different types of data other than just MP3s or audio files.