Nokia and Research in Motion needed a modern operating system. They could have bought Palm or Android before Google did, but they didn't. Today, it's probably too late, and at the time they would have been criticized for overpaying, but as they say - shift happens.

The days when a car aficionado could repair his or her own car are long past, due primarily to the high software content.

In the next 10 years, I expect at least five billion people worldwide to own smartphones, giving every individual with such a phone instant access to the full power of the Internet, every moment of every day.

The multipurpose device will always fail.

People are so bad at driving cars that computers don't have to be that good to be much better. Any time you stand in line at the D.M.V. and look around, you're like, 'Oh, my God, I wish all these people were replaced by computer drivers.'

China is very entrepreneurial but has no rule of law. Europe has rule of law but isn't entrepreneurial. Combine rule of law, entrepreneurialism and a generally pro-business policy, and you have Apple.

When I started Netscape I was brand new out of college and all the aspects of building a business, like balance sheets and hiring people, were new to me.