Skype actually does get a fair bit of revenue.

I have a company that is not Microsoft, called Corbis. Corbis is the operation that merged with Bettman Archives. It has nothing to do with Microsoft. It was intentionally done outside of Microsoft because Microsoft isn't interested.

The Gates Foundation has learned that two questions can predict how much kids learn: 'Does your teacher use class time well?' and, 'When you're confused, does your teacher help you get straightened out?'

You don't go to other books and take little pieces because although say a romantic scene may have been many times before all the details of who it is, where it is, are so intertwined in that text that it's easier to write it from scratch.

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.

Bangladesh is largely a river delta, and the rising sea level means that when storms come in, the human sanitation is backing up, the ability to farm.

The machines need to get faster. They need to get cheaper.