Windows 8 is key to the future, the Surface computer.

I know that historically our foundation has had great relations with all the administrations.[Bill] Clinton administration did a lot of outreach. The greatest rise in U.S. foreign aid was under the [George] Bush administration, that's where we got the AIDS initiative, which is called PEPFAR.

We all know that there are these exemplars who can take the toughest students, and they'll teach them two-and-a-half years of math in a single year.

Nobody believes in completely unadulterated capitalism.

Now, if you're rich, you can spend a lot of money, Netherlands-style, and reduce that. But Bangladesh or parts of India, like Calcutta, they just simply won't be able to afford that kind of protection.

K to 12 is partly about babysitting the kids so the parents can do other things.

People are always coming up to me and saying, 'I heard your dad's speech, and it's really great.' And they'll mention some place I didn't even know my dad was going to.