It's almost like a cryogenic preservation chamber of what the solar system was like 4 billion years ago. It's a great way to get insight into the formation of the solar system.

They were sort of playing this game of peek-a-boo - jumping in and out of a strip of missing data. (The search) was almost an afterthought. It wasn't even a priority. The moment I discovered them, I wasn't even searching, to be honest.

It's going to be challenging for New Horizons to fly through Pluto's system and image all these moons.

I've always wanted to be a fighter pilot. But I don't want to kill people. I'd hate to.

One of the things we did at PayPal was collaborative filtering and machine learning: looking at patterns of human behavior. We used it there to predict when people would try to cheat the system to get money. But you can predict pretty much any behavior with a certain amount of accuracy.

Media is very different from financial services. People are very fickle and very vocal. They believe that things should be one way and not the other. It's still very rewarding to build products for huge audiences. It feels like you're making an impact.