People sometimes say I broke an oath of secrecy - one of the early charges leveled against me. But it's a fundamental misunderstanding, because there is no oath of secrecy for people who work in the intelligence community. You are asked to sign a civil agreement, called a Standard Form 312, which basically says if you disclose classified information, they can sue you; they can do this, that and the other. And you risk going to jail.

The new iPhone has encryption that protects the contents of the phone. This means if someone steals your phone - if a hacker or something images your phone - they can't read what's on the phone itself, they can't look at your pictures, they can't see the text messages you send, and so forth. But it does not stop law enforcement from tracking your movements via geolocation on the phone if they think you are involved in a kidnapping case, for example.

We have to argue forcefully and demand that the government recognise that these programmes do not prevent - mass surveillance does not prevent acts of terrorism.

When the lights go out at a power plant sometime in the future, we're going to know that that's a consequence of deprioritizing defense for the sake of an advantage in terms of offense.

I understand that I will be made to suffer for my actions, and that the return of this information to the public marks my end.

Radicals are not going to disappear. They're going to go underground. They're going to be hardened. And they're not going to be exposed to contrary ideas made by educated people who can make real, convincing, and persuasive arguments to deradicalise these people.

People in both parties from the congressional intelligence committees - all these co-opted officials who play cheerleader for spy agencies - go on these Sunday shows and they say: "Snowden was a traitor. He works against Americans. He works for the Chinese. Oh, wait, he left Hong Kong - he works for the Russians."