Internet exchanges and internet service providers - international fiber optic landing points - these are the key tools that governments go after in order to enable their programs of mass surveillance. If they want to be able to watch the entire population of a country instead of a single individual, you have to go after those bulk interchanges.

When we think in the context of the last decade's infringements upon personal liberty and the last year's revelations, it's not about surveillance. It's about liberty.

You can't come up against the world's most powerful intelligence agencies and not accept the risk. If they want to get you, over time they will.

This whole pre-criminal investigation, where we watch everybody, all the time, just in case, is really an extraordinary departure from the Western liberal tradition.

What defines patriotism, for me, is the idea that one rises to act on behalf of one's country.

Privacy is a function of liberty.

When it comes to political engagement, I'm not a politician - I'm an engineer.