Satellite broadcasting makes it possible for information-hungry residents of many closed societies to bypass state-controlled television channels.

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

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 think as we all work to learn and navigate the future towards a world where AI fulfills its promise, the best way to do that is to work together and to share information and learn together. It'll speed up our ability to get ahead of this so that we can do a better job of setting our associates up for success.

So I guess I'm just very worried that with Internet privacy, we're doing the same thing we're doing with medical records, is we're throwing out the baby with the bathwater, and we're not really thinking about the tremendous good that can come from people sharing information with the right people in the right ways.

I think the main thing that we need to do is just provide people choice, show them what data's being collected -- search history, location data. We're excited about incognito mode in Chrome, and doing that in more ways, just giving people more choice and more awareness of what's going on.