Until recently, over 98 percent of teachers just got one word of feedback: Satisfactory. If all my bridge coach ever told me was that I was 'satisfactory,' I would have no hope of ever getting better.

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.

I didn't used to wear a watch. Now I have a SPOT watch, which I wear all the time.

We need to get a broader awareness. People say climate change is really bad, but painting that picture of what you're putting at risk.

The vision is really about empowering workers, giving them all the

Setting clear goals and finding measures that will mark progress toward them can improve the human condition.

I think the thing we see is that as people are using video games more, they tend to watch passive TV a bit less. And so using the PC for the Internet, playing video games, is starting to cut into the rather unbelievable amount of time people spend watching TV.