There's always been a lot of information about your activities. Every phone number you dial, every credit-card charge you make. It's long since passed that a typical person doesn't leave footprints.

If you're too focused on your current business, it's hard to change and concentrate on innovating.

Depending on how quickly you get ocean rise, you have people who live in river deltas [at risk].

Like almost everyone who uses e-mail, I receive a ton of spam every day. Much of it offers to help me get out of debt or get rich quick. It would be funny if it weren't so irritating.

I believe in innovation and that the way you get innovation is you fund research and you learn the basic facts.

Some very poor countries run great vaccination systems, and some richer ones run terrible programs.

Your most unhappy customers are your greatest source of learning.