I describe it as tribalism because they're very tightly woven communities. Lack of civility is part of it, because that's how Internet tribes behave. We see this more and more in electoral politics, which have become increasingly poisonous.

If I target for example an email address, for example under FAA 702, and that email address sent something to you, Joe America, the analyst gets it. All of it. IPs, raw data, content, headers, attachments, everything. And it gets saved for a very long time - and can be extended further with waivers rather than warrants.

The internet exchange is sort of the core points where all of the international cables come together, where all of the internet service providers come together, and they trade lines with each other. These are priority one targets for any sort of espionage agency, because they provide access to so many people's communications.

When Clapper raised his hand and lied to the American public, was anyone tried? Were any charges brought? Within 24 hours of going public, I had three charges against me.

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

We have to call mass surveillance mass surveillance. We can't let governments around the world redefine, and sort of weasel their way out of it by saying this is bulk collection.

I have been a systems engineer, systems administrator, a senior adviser for the Central Intelligence Agency, a solutions consultant and a telecommunications information systems officer.