President [George] Bush made the U.S. absolutely the leader, between its own PEPFAR, and it's been by far the biggest Global Fund donor. That's a legacy.

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

We make the future sustainable when we invest in the poor, not when we insist on their suffering.

There are people who don't like capitalism, and people who don't like PCs. But there's no-one who likes the PC who doesn't like Microsoft.

You may have heard of Black Friday and Cyber Monday. There's another day you might want to know about: Giving Tuesday. The idea is pretty straightforward. On the Tuesday after Thanksgiving, shoppers take a break from their gift-buying and donate what they can to charity.

I realized about 10 years ago that my wealth has to go back to society. A fortune, the size of which is hard to imagine, is best not passed on to one's children. It's not constructive for them.

Typically, your corporate e-mail account is not, today, that spam-targeted. It's more the free e-mail accounts that are spam-targeted.