There are multiple ways to be externally focused that are very successful. You can be customer-focused or competitor-focused. Some people are internally focused, and if they reach critical mass, they can tip the whole company.

Infrastructure web services had to happen.

The thing that motivates me is a very common form of motivation. And that is, with other folks counting on me, it's so easy to be motivated.

The killer app that got the world ready for appliances was the light bulb. So the light bulb is what wired the world. And they weren't thinking about appliances when they wired the world. They were really thinking about - they weren't putting electricity into the home. They were putting lighting into the home.

If you're truly obsessed over customers, it'll cover a lot of errors.

I went to Princeton specifically to study physics.

People loved their horses, too. But you don't keep riding your horse to work just because you love it.