In fact, the big steps forward for advertising, especially after World War I were when government just began employing the tools of advertising for its own purposes to get people to join the army and other things.

Google has you at a very specific mental state that is, looking for something. And what they've always been able to say is, we deliver your message at the exact time someone is, say, looking for fishing hooks or looking for marriage counseling or looking for a lawyer for a particular problem. And here we have our customers telling you what is in their heart and soul. It's something that, you know, advertisers have wanted for decades.

Right now it is illegal for a service provider to censor or block a site because they don't like it or to privilege someone who pays them extra money. So it's basically a level playing field. I think it was a great victory. It doesn't solve all the problems of our time, but I think we've gotten a much better place.

History shows a typical progression of information technologies: from somebody's hobby to somebody's industry; from jury-rigged contraption to slick production marvel; from a freely accessible channel to one strictly controlled by a single corporation or cartel-from open to closed system.

I want to say, however, one thing our media in America has done which didn't happen in other totalitarian states is it has very effectively stood up to Donald Trump who has obvious fascist tendencies and his - who's a temptation like all authoritarian figures to try to crush the media or make it obey him. As that - the media has, in fact, stood up to him and has refused to bow out or cower.

There is this inherent human instinct that the usual way you control trolling is you force people to use their real identities. So there's less trolling on Facebook, for example.

You know, it's so funny that the internet's become a series of traps where you do sort of innocent things like give your name or address or indicate a preference, I like this thing, and then therefore you open yourself up to a deluge of advertising based on those stated preferences.