Markets are born free, yet no sooner are they born than some would-be emperor is forging chains. Paradoxically, it sometimes happens that the only way to preserve freedom is through judicious controls on the exercise of private power. If we believe in liberty, it must be freedom from both private and public coercion.

Wikipedia, a nonprofit, is an enormously popular website but has managed to operate without advertising. And, you know, maybe it's a little simpler than Google and YouTube, but it does show there's another way.

Every time you click on a like button on another site, you've told Facebook that you're doing that. And so therefore advertisers know who their fan base is.

One thing I'll say about Hitler that many people don't realize - and I don't mean to besmirch the industry - but he did get his start, not only as an artist, but as an advertising man writing art for advertisements.

Trolling is an ancient problem. It's been around as long as there has been media.

The case for industry breakups comes from Thomas Jefferson's idea that occasional revolutions are important to the health of any system. As he wrote in 1787, “a little rebellion every now and then is a good thing, and as necessary in the political world as storms in the physical one.

One thing that all the totalitarian states did was make the great leader's face everywhere.