It was really phenomenal [Warren Buffett donation]. It grew out of the friendship that we had and the fact that his plan to have his wife run the foundation and give things away changed when she tragically died.

You can't have a rigid view that all new taxes are evil.

Finding information is either a software question or a question of how much information is online.

Some people read off of their Palms and Pocket PCs, but the real immersible reading experience takes a full-screen device.

Vaccination is one of the easiest things on the way to development. It's much easier than roads and a great education system. It's very basic. It's one of the first things you want to get right.

Whether I'm at the office, at home, or on the road, I always have a stack of books I'm looking forward to reading.

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