That's always been in my mind my metaphor for a team working really hard on something they're passionate about. It's that through the team, through that group of incredibly talented people bumping up against each other, having arguments, having fights sometimes, making some noise, and working together they polish each other and they polish the ideas, and what comes out are these really beautiful stones.

Let them know precisely what you are going to do with their data

I think it's brought the world a lot closer together, and will continue to do that. There are downsides to everything; there are unintended consequences to everything. The most corrosive piece of technology that I've ever seen is called television - but then, again, television, at its best, is magnificent.

In order to learn how to do something well, you have to fail sometimes. In order to fail, there has to be a measurement system. And that's the problem with most philanthropy - there's no measurement system. You give somebody some money to do something and most of the time you can really never measure whether you failed or succeeded in your judgment of that person or his ideas or their implementation.

Innovation has nothing to do with how many R&D dollars you have. When Apple came up with the Mac, IBM was spending at least 100 times more on R&D. It's not about money. It's about the people you have, how you're led, and how much you get it.

If you don't have a passion, you'll give up.

I'd rather be a Pirate than join the Navy