There are two ways to extend a business. Take inventory of what you're good at and extend out from your skills. Or determine what your customers need and work backward, even if it requires learning new skills. Kindle is an example of working backward.

Millions of people were inspired by the Apollo Program. I was five years old when I watched Apollo 11 unfold on television, and without any doubt it was a big contributor to my passions for science, engineering, and exploration.

It is very difficult to get people to focus on the most important things when you're in boom times.

You know you're not anonymous on our site. We're greeting you by name, showing you past purchases, to the degree that you can arrange to have transparency combined with an explanation of what the consumer benefit is.

In high school, I actually thought I was going to have to learn Japanese to work in technology. My big feeling was I just missed it, I missed the whole thing. It had happened in the '80s, and I got here too late. But then, I'm maybe the most optimistic person I know. I mean, I'm incredibly optimistic.

When I looked at the addictive qualities of video games and how they captivate people's attention, I decided to try the same technology for enhancing well-being.

Public schools helped create the idea of America and inculcate Americans with a few rudiments of knowledge. To judge by that very American item, the Internet, a few rudiments is all anyone cares to have.

I get to know whatever is written about me through social media. But I don't take it seriously, because if someone has taken out time to cook up stories about me, I must have done something right.