The Internet Is About Porn

but you knew that, right?

...by 1989 or thereabouts, bands of tech-savvy sexual explorers were finding each other on Usenet, an all-text, no-pictures corner of the net that predated the web. Among them was software developer Harry Ugol, who formulated the oft-quoted Ugol’s Law: “To any question beginning with ‘Am I the only one who … ?’ the answer is no.”
Today, thanks to the web, the content of Ugol’s Law is common knowledge — even for those who have never heard it stated quite that way. But a mere 20 years ago, for that first generation of Usenet pioneers, it was revelatory. That’s how much the world has changed...

From Freakonomics, of course. Who else?