There is this broad, broad recognition of how technology is enabling new things. Companies that never paid attention to computers in any form now see digital technology as creating threats and opportunities for them.

If you count E-mail, I'm on the Internet all day, every day.

Two out of every five people on Earth today owe their lives to the higher crop outputs that fertilizer has made possible.

If somebody is considering being willing to go out and work in the field in global health, those are a particular class of heroes because it's hard to work in those places. Our foundation gets so many of our learnings from people who've been out there and seen, "this tool is not going to work there, there's more of a problem here than you know." You should really get involved in that.

So it's an absolute lie that has killed thousands of kids. Because the mothers who heard that lie, many of them didn't have their kids take either pertussis or measles vaccine, and their children are dead today. And so the people who go and engage in those anti-vaccine efforts -- you know, they, they kill children. It's a very sad thing, because these vaccines are important.

You can go overboard in how quickly you might expect new technologies to transform people's lives. But I very much believe the way software is used, the way information gets distributed, will be dramatically different within 10 years. There is fire to go with all this smoke.

We all have the chance to create a world where extreme poverty is the exception rather than the rule.