We need to start seeing privacy as a commons - as some kind of a public good that can get depleted as too many people treat it carelessly or abandon it too eagerly. What is privacy for? This question needs an urgent answer.

I'm active on Twitter, and I love my iPad and my Kindle.

Mobile phones are one of the most insecure devices that were ever available, so they're very easy to trace; they're very easy to tap.

When someone at the State Department proclaims Facebook to be the most organic tool for promoting democracy the world has ever seen - that's a direct quote - it may help in the short run by getting more people onto Facebook by making it more popular with dissidents.

Once Google is selected to run the infrastructure on which we are changing the world, Google will be there for ever. Democratic accountability will not be prevalent. You cannot file a public information request about Google.

When we get the remote Russian village online, what will get people to the Internet is not going to be reports from Human Rights Watch. It's going to be pornography, 'Sex and the City,' or maybe funny videos of cats.

The bigger the network, the harder it is to leave. Many users find it too daunting to start afresh on a new site, so they quietly consent to Facebook's privacy bullying.