For Africa to move forward, you've really got to get rid of malaria.

Paul and I, we never thought that we would make much money out of the thing. We just loved writing software.

At Microsoft there are lots of brilliant ideas but the image is that they all come from the top - I'm afraid that's not quite right.

The power of capitalism to mediate the gap between rich and poor is pretty incredible. Indeed, I think, year by year, the gap gets less.

Two years from now, spam will be solved.

Microsoft has had its success by doing low-cost products and constantly improving those products and we've really redefined the IT industry to be something that's about a tool for individuals.

We’re no longer in the days where every program is super well crafted. But at the heart of the programs that make it to the top, you’ll find that the key internal code was done by a few people who really knew what they were doing.