I had no idea that pornography was this popular in America. People in the U.S. are voting with their feet, according to an article on pornography published by cracked.com:

A new pornographic video is being created every 39 minutes in the U.S. [I]n hotel chains that offer in-room X-rated content alongside major Hollywood releases, porn movie rentals represent 55 percent of the overall pay-per-view usage. . .

In 2005, there were approximately 425 films released in Hollywood, including a Star Wars prequel and a Harry Potter movie, with domestic grosses of $8.597 billion. That's very impressive. In 2006, the cumulative grosses for porn videos in the U.S., leveraging video sales, rentals, mobile phone content and Internet revenues--came out to... $8.65 billion.

You'll also find that adult sex terms are wildly popular on search engines. The search term "Obama" overtook the adult sex search terms for only 23 minute during the entire year, and that was on election day. Fascinating stuff.