Something will eventually replace the Internet. But it's hard to know what and when it will happen.

Don’t get distracted by the shiny object [and if a crisis comes], execute on the fundamentals.

Tomorrow when you come to work, if it doesn't make the customer happy, move the business forward, and save us money - don't do it.

Broadcast TV is like the landline of 20 years ago.

I learned the value of focus. I learned it is better to do one product well than two products in a mediocre way.

About half my work in education is U.S. political reform around school districts and charter schools, and creating more room for entrepreneurial organizations to develop. And about half on technology, which I look at as a global platform.

Technological revolutions are very hard to predict. My favourite example is someone in 1850 taking care of horses as a farrier. They would have said, "Look, horses have been part of human existence for 5,000 years. We are horse people. It's permanent." But all of a sudden, the internal combustion engine comes along and, with it, oil fields and automobiles, which basically replace the horse completely. So we often have these long periods of stability and then a sudden inflection point.