So we do software for watches, for phones, for TV sets, for cars. And some of these take a long time to catch on.

If Africa seeks prosperity, it must provide for the health and nutrition of all – including the poorest.

Software substitution, whether it's for drivers or waiters or nurses ... it's progressing. ... Technology over time will reduce demand for jobs, particularly at the lower end of skill set. ... 20 years from now, labor demand for lots of skill sets will be substantially lower. I don’t think people have that in their mental model.

Microsoft has long hired based on IQ and "intellectual bandwidth."

Oh, I think there are a lot of people who would be buying and selling online today that go up there and they get the information, but then when it comes time to type in their credit card they think twice because they're not sure about how that might get out and what that might mean for them.

Everyone needs a coach. It doesn't matter whether you're a basketball player, a tennis player, a gymnast or a bridge player.

It's easier for our software to compete with Linux when there's piracy than when there's not.