If GM had kept up with technology like the computer industry has, we would all be driving $25 cars that got 1,000 MPG.

We are not even close to finishing the basic dream of what the PC can be.

How much further beyond basic research the role of the government should be, you could have a really good debate about it. Almost nobody would say it's zero. But that's where at least we need the private sector to play a big role.

People are building the software and so having the pieces be such that a single person understands all the tradeoffs and everything that's going on in a piece is extremely valuable. It avoids getting into an experimental mode where you're just trying things out. That never works.

I believe that every life is valuable. That we can make things better. That innovation is the key to a bright future. That we're just getting started.

Even when things are stable, that's not easy [to work in Africa] because there are not roads, and the weather is tough, the education system hasn't been there. But this is how you get great countries, is step by step.

Take our 20 best people away, and I will tell you that Microsoft will become an unimportant company