Although I've had several major career changes, I was extremely hesitant about making some of them.

The three-piece suit has become sort of my trademark. You don't see them much anymore. It has several benefits: You may be overdressed on some occasions, but you can manage to fit into a huge range of circumstances.

The immediacy of the mobile changes it from what we're accustomed to in the personal computing world to something that's instantaneous... What's interesting and powerful about the mobile environment is that it's connected to services on the Internet. This augments both platforms.

Information flow is what the Internet is about. Information sharing is power. If you don't share your ideas, smart people can't do anything about them, and you'll remain anonymous and powerless.

There was something amazingly enticing about programming.

Some people argue we should solve all the problems on Earth before going off the planet, but that's like telling Lewis and Clark to stay put until the rest of the East was settled. No way.