I was born in Africa. I came to California because it's really where new technologies can be brought to fruition, and I don't see a viable competitor.

When grand plans for scientific and defence technologies are made, do the people in power think about the sacrifices the people in the laboratories and fields have to make?

Advances in the technology of telecommunications have proved an unambiguous threat to totalitarian regimes everywhere.

The Internet has been the most fundamental change during my lifetime and for hundreds of years.

A lot of people are very happy to read their newspaper either on their iPad or - startlingly and faster and faster the figures go up - on their telephone, on their smart phone.

I now wear a Jawbone. This is a bracelet that keeps track of how I sleep, move and eat - transmitting that information to the cloud. It allows me to track and maintain my health much better.