I think there certainly was a milestone in the '90s with regards to the Internet achieving critical mass. There were several magical factors that came together: the creation of HTML by Tim Berners-Lee, the drop in the price of communications, and all the PCs out there that you could put this software into.

I never took a day off in my twenties. Not one.

In inner-city, low-income communities of color, there's such a high correlation in terms of educational quality and success.

Hey, size works against excellence.

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

There is no author whose books I look forward to more than Vaclav Smil.

With nuclear weapons, you'd think you would probably stop after killing 100million. Smallpox won't stop. Because the population is naïve, and there are no real preparations. That, if it got out and spread, would be a larger number.