With Windows 8, Microsoft is trying to gain market share in what has been dominated by the iPad-type device. But a lot of those users are frustrated. They can't type. They can't create documents.

The quality of research in the U.S. is absolutely the best.

The outpouring of support from millions of people in the immediate aftermath of the earthquake in Haiti has been impressive.

If you want to build a great company, get the hell out of Silicon Valley.

Don't let complexity stop you. Be activists. Take on the big inequities. It will be one of the great experiences of your lives.

Bridge is one of the last games in which the computer is not better.

If we [the USA] don't innovate in education, it's literally going to mean less people get to go have that education at a time when more people are going to want it. We've got to put courses out on the Web, we've got to put interactive learning out on the Web.