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.

I'm truly saddened to learn of Steve Jobs' death. The world rarely sees someone who has had the profound impact Steve has had, the effects of which will be felt for many generations to come. For those of us lucky enough to get to work with him, it's been an insanely great honor. I will miss Steve immensely.

My grade point average went from a 2.2 to a 4.0 over the summer. I wanted to get straight A's. I decided to get straight A's. I didn't want people to think I was dumb. And when you get straight A's once, its easier.

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.

You might say, well, aren't people saying that about wind and solar today? Not really. Only in the super-narrow sense that the capital costs per output, when the wind is blowing, is slightly lower.

I am results-oriented.

In three years, every product my company makes will be obsolete. The only question is whether we will make them obsolete or somebody else will.