You have to be burning with "an idea, or a problem, or a wrong that you want to right." If you're not passionate enough from the start, you'll never stick it out.

If you don't cannibalize yourself, someone else will.

To have your whole music library with you at all times is a quantum leap in listening to music. How do we possibly do this?

You are all over the map, figure out the top 5 things you want to focus on and get rid of the rest.

I'm sorry, it's true. Having children really changes your view on these things. We're born, we live for a brief instant, and we die. It's been happening for a long time. Technology is not changing it much - if at all.

The iPod is not a new category. Music is not new. It's not a speculative market. It's a very, very large market. It's been around for thousands of years and will be around as long as humans exist.

It's hard to tell with these Internet startups if they're really interested in building companies or if they're just interested in the money. I can tell you, though: If they don't really want to build a company, they won't luck into it. That's because it's so hard that if you don't have a passion, you'll give up.