This social-networking thing takes you to crazy places.

Like my friend Warren Buffett, I feel particularly lucky to do something every day that I love to do. He calls it "tap dancing to work."

In the next 15 years, we can halve childhood deaths. That's doable.

Thanks to quality education, Israel is one of the most advanced countries in the world .. Israel is advancing in high-tech even more than other developed countries.

In almost every area of human endeavor, the practice improves over time. That hasn't been the case for teaching.

Even with cameras being very cheap, one thing that researchers noticed was that you look really bad in a videoconference image because the lighting is bad and you get shadows and things.

There are websites that any government wants to block. The truth about the Internet is that it's extremely hard to block anything - extremely hard. You'll never get perfect blocking.