Our goal is for Khan Academy's software and content to be the best possible learning experience and for it to be for everyone, for free, forever. This is why we are a non-profit, and it's also what drives our small team and supporters.

Our goal with Khan Academy Kids is to inspire a life-long love of learning.

I hope I could spend the rest of my life learning and communicating.

Can watching video lessons or using interactive software make people smart? No. But I would argue that it can do something even better: create a context in which people can give free rein to their curiosity and natural love of learning so that they realize they're already smart.

Silicon Valley has some of the smartest engineers and technology business people in the world.

Genetic modification has many different areas, for example in medicine, and Britain is at the leading edge of this new technology. I don't know, but people tell me, it could indeed by the leading science of the 21st century. All I say to people is: 'Just keep an open mind and let us proceed according to genuine scientific evidence.'

I guess I never grew up. I was still reading kids' books in high school and college. I was always interested in writing or illustrating children's books, and I started collecting out-of-print books when I was about 10 years old.

I think 'Slate''s editorial staff understands the intersection of journalism and technology better than any other.