The trouble with energy farming is that the energy isn't always where you want to use it, and it isn't always when you want to use it.

If you're smart, you often want a feedback loop so you know if what you've done is... is right.

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 malaria parasite has been killing children and sapping the strength of whole populations for tens of thousands of years. It is impossible to calculate the harm malaria has done to the world.

More and more software would just increase the number of tasks that the computer would help solve.

If you're taking care of your family and society and are comfortable you can start to think about helping those most in need globally. That's how we became engaged in those things.

I like the idea of putting your Christmas wish list up and letting people share it.