I do normal kind of contributions, particularly for people who are going over to Africa and help highlighting global health, and that's tended to be pretty bipartisan in nature because of the coalition there exists fortunately around these global health issues. But I don't think my backing, putting a lot of money into political contributions is a way I'm going to try and help improve the world.

The computer was born to solve problems that did not exist before.

In the decade ahead I can predict that we will provide over twice the productivity improvement that we provided in the '90s.

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.

When the PC was launched, people knew it was important.

Making sure all our students get a great education, find a career that's fulfilling and rewarding, and have a chance to live out their dreams ... wouldn't just make us a more successful country - it would also make us a more fair and just one.

Banking is necessary - banks are not.