If you're changing the world, you're working on important things. You're excited to get up in the morning.

You don't need to have a 100-person company to develop that idea.

You can try to control people, or you can try to have a system that represents reality. I find that knowing what's really happening is more important than trying to control people.

As devices multiply and usage changes, many users coming online today may never use a desktop machine, it becomes more and more important to ensure that people can access all of their stuff anywhere.

If you say you want to automate cars and save people's lives, the skills you need for that aren't taught in any particular discipline. I know - I was interested in working on automating cars when I was a Ph.D. student in 1995.

...It's important to distinguish between "worry versus harm" when it came to privacy online.

You have to combine both things: invention and innovation focus, plus the company that can commercialize things and get them to people.