It's an experiment, and it's probably good to have a couple states try it out to see before you make that national policy.

Our leadership [in Microsoft ] has that - "hey, we are the best in certain ways," and so we get the best people. That any kind of positive dynamic is quite good, so I love what's going on there, it's fun.

The next big invention that will change the way we live should be things like ways of generating energy like electricity.

Well depending on the government, you either work through the government, which is ideal, because then you're strengthening their capabilities, or you work through the non-governmental organizations. It's never easy, and you know, it's just about the very basics of health. This is not hospitals. This is just primary health care [in Africa], the most simple things, and even so, getting the supplies out, getting the trained workers there.

The general idea of the rich helping the poor, I think, is important.

We need to look at less obvious paths, things like the wind in the jet stream, which is very high up. The material science of what type of kite string you would need to connect up to that. That's still at the basic research level.

Whenever you have multiple devices including multiple PCs that you want to share information with, it's always been a bit complicated.