Pornography on the web
This is a good article on Yahoo Tech Measuring Porn on the Web? by Robin Raskin Measuring anything on the web is part art and part science. Measuring how much pornography is on the web taxes the art of both. In part, that's because pornography is, at best, loosely defined and subject to local standards. In part, it's because some part of the pornography that's found on the web is not found in the places you might normally measure. And yet, a U.S. government-commissioned study just identified the percentage of pornography on the web. The study says that about 1 percent of the web contains sexually explicit content. What is 1 percent of the web? Tough to say. If you do a search on the letter a, the most common letter in the English language, you get 18.5 billion pages. Search on the word porn and you get 88 million pages. Search on porn or xxx and you get 186 million. Roughly 1 percent. If you add the word sex and search for porn or xxx or sex you get something more like 4.4 ...