Hitler understood the demagogues' essential principle to teach or persuade is far more difficult than to stir emotion.

What's so interesting about the internet - I keep saying this - is the web has gotten worse over the last five years as opposed to better.

I am the most concerned that we end up in a situation where your - everything is known about you and so therefore, not only Google, but Google, Facebook, Twitter - the whole set of companies - essentially knows all your weaknesses and therefore how to manipulate you in subtle ways in order to have you do things you might not otherwise do.

In the media, traditional media like print, we had boundaries. You know, we had spaces that ads didn't leave. They stayed where they were on the page. They didn't float around over the text. And we're kind of lost on the internet. We don't have any barriers. We have a demand for growth that is insistent.

When you decide to like something, I mean, you may feel you're sort of innocently putting out your preferences, but actually you're delivering something of enormous value, which is indicating that, you know, you'd essentially like to be advertised to by this company.

The best antidote to the disruptive power of innovation is overregulation.

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.