The impact of improving health is that the population growth goes down, and so you can educate more kids, feed more kids.

In the old generation, if one kid bought a PlayStation 2 and the other kid bought an Xbox, at his house you played PlayStation, at your house you played Xbox. Now that it's online, all those early buyers who... you want to play with, they've got their reputation online of who they are and how good they are at these games.

Kids are taking PCs and the Internet to new heights. They're the ones that are designing the cutting-edge web sites.

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

Being able to see an activity log of where a kid has been going on the Internet is a good thing.

India just went 3 years with no cases [of polio]. Pakistan is our toughest location right now because some parts of the Taliban have not allowed vaccinators to come in and have even attacked vaccinators. We are hopeful this will get resolved since no one wants their kid to be paralyzed. I spend a lot of time making sure the polio campaign is doing the best it can. We have great computer models that help guide our activities.