When most people ask about a business growing, what they really mean is growing revenue, not just growing the number of people using a service. Traditional businesses would view people using your service that you don't make money from as a cost.

Bill Gates has always been a mentor and inspiration for me even before I knew him. Just growing up, I admired how Microsoft was mission-focused.

2018 is an incredibly important election year, not just with the important midterms here in the U.S., but you just had the Mexican elections. You have Brazil. You have India coming up at the beginning of next year. There's an assortment of elections around the EU. We're very serious about this. We know that we need to get this right.

We want to make it so that anyone, anywhere - a child growing up in rural India who never had a computer - can go to a store, get a phone, get online, and get access to all of the same things that you and I appreciate about the Internet.

Our goal here in New York is to ensure that every child who graduates high school is ready to start a career or start college and to dramatically increase the number of students that graduate from college.

I've fully accepted the fact that if I'm going to do a career like this, I have to be willing to take criticism, because it's a part of the job, you know? Any Instagram thing I post, someone's going to say something. I know that. Anything on Twitter, someone's going to judge whatever I do, whatever I say, whatever I look like. I understand that.

I won't mention names, but in my career, the most talented people invariably are the easiest and nicest to get along with.

After college, I became a geologist, mapping what lay beneath the earth's surface. I thought I had my life pretty figured out and all my boxes checked. But then, I was laid off - along with thousands of other geologists. I lost not only my job, but also my profession.