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.

In fact, that's where my vision of the coming digital opportunity is somewhat different from other people's. I divide it into three parts. One is the office. That's the one I'm most excited about and is the most concrete.

Our modern lifestyle is not a political creation. Before 1700, everybody was poor as hell. Life was short and brutish. It wasn't because we didn't have good politicians; we had some really good politicians. But then we started inventing - electricity, steam engines, microprocessors, understanding genetics and medicine and things like that. Yes, stability and education are important - I'm not taking anything away from that - but innovation is the real driver of progress.

It's the poorer people in tropical zones who will get really hit by climate change - as well as some ecosystems, which nobody wants to see disappear.

Perhaps I should be flattered that somebody imagines the name is worth so much, especially since my parents gave me the same name 42 years ago for free.

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

Investing in innovation, which was my broad theme talking to [Warren Buffett ], that included health vaccines, it included energy and education.