Anytime you bring a really powerful new technology to market there are multiple implications. You start changing the relative position of countries.

There are certain zip codes that generate a disproportionate share of patents, of startups, of wealth, of jobs. And it's really important if other parts of the country are going to want to create these tech centers.

The housing crisis may not be the worst thing that's happened to New York City because it was becoming impossible for some of the young doctors, for some of the young artists, for some of the people that make the city so special to be able to live here.

Real estate prices are way out of whack with what people earn.

It's not completely inconceivable that someday you'll be able to download your own memories.

When you go and you tour Europe, or you go and you tour Egypt, or you go and you tour Iraq, or you go and you tour Afghanistan, or India, or whatever. Governments get to a point where they're illegitimate because people just give up on them as far as being leaders who have their country's interests at heart.

It's not fear that keeps me up. I mean, every generation has thought, this is the worst generation; the world's going to hell in a hand basket. The reality is, people are living longer, and they're living better.