There's a unique thing about the UK, where you give a very generous foreign aid budget to support globally, which is spent wisely. We partner with the government here to make sure that that money is spent well.

The 'Billionaire' song is what my kids tease me with. They sing it to me. It's funny.

I don't have a magic formula for prioritizing the world's problems.

Microsoft has had clear competitors in the past. It's a good thing we have museums to document that.

Two years from now, spam will be solved.

I'm quite worried about the fiscal imbalances that we've got and what that might mean in terms of financial crisis ahead.

You always overestimate what you can get done in a year and underestimate what you can get done in 10 years.