The future of Windows is to let the computer see, listen and even learn.

China adopted a capitalist system in the 1980s, and they went from a 60% poverty rate to 10%.

DOS is ugly and interferes with users' experience.

Now, we put out a lot of carbon dioxide every year, over 26 billion tons. For each American, it's about 20 tons. For people in poor countries, it's less than one ton. It's an average of about five tons for everyone on the planet. And, somehow, we have to make changes that will bring that down to zero.

Teams should be able to act with the same unity of purpose and focus as a well motivated individual.

The government's ability to select scientists and pick things that are fairly strange, because politicians don't like failures. They're only in office a short term, and many of these things take a long time.

The death of a child is an incredible tragedy all over the world. Back in 1990, about 12 percent of children were dying before they reached the age of 5.