With world health, every life you save is a wonderful thing, so it's not this question of whether you solve it or you don't. The chance of completely solving the problems has long odds. But really, the thing is that you get to save the first child, the second child, the third child. You can just feel good about that.

If somebody is working on a new medicine, computer science helps us model those things. We have a whole group here in Seattle called the Institute for Disease Modelling that is a mix of computer science and math-type people, and the progress we're making in polio or plans for malaria or really driven by their deep insights.

Microsoft looks at new ideas, they don't evaluate whether the idea will move the industry forward, they ask, 'how will it help us sell more copies of Windows?

Our teachers deserve better feedback.

We need a malaria epidemic in the blogging community! Either that or we need people who have seen the malaria epidemic to start blogging.

Microsoft has long hired based on IQ and "intellectual bandwidth."

Our success has really been based on partnerships from the very beginning.