Encryption works. Properly implemented strong crypto systems are one of the few things that you can rely on. Unfortunately, endpoint security is so terrifically weak that NSA can frequently find ways around it.

There is a policy response that needs to occur. There is also a technical response that needs to occur. It is the development community that can really craft the solutions and make sure we are safe.

How do we preserve our civil rights, our traditions as a liberal democracy, in a time when government power is expanding and is more and more difficult to check?

The only thing I fear is the harmful effects on my family, who I won't be able to help any more. That's what keeps me up at night.

I acted on my belief that the NSA's mass surveillance programs would not withstand a constitutional challenge, and that the American public deserved a chance to see these issues determined by open courts. Today, a secret program authorized by a secret court was, when exposed to the light of day, found to violate Americans' rights. It is the first of many.

If we simply follow the rules that a state imposes upon us when that state is acting contrary to the public interest, we're not actually improving anything. We're not changing anything.

All the governments just want to have more power when it comes to economic espionage, diplomatic manipulation and political influence.