] Technology has paid off handsomely for porn sites in the
] USA. Led by sites like Danni's Hard Drive and Cybererotica,
] they generated $2 billion in revenue last year, up 10% to 15%
] from 2002, says Adult Video News, a trade magazine. That's
] about 10% of the overall domestic porn market. The number of
] porn sites has vaulted eighteenfold, to 1.3 million, since
] 1998, says the National Research Council.
] ...
] "Technology turned trash into cash," Harris says. "That's a
] lesson other industries can learn."

There are so many different reports on the size of the porn industry, I'm still not sure what to believe. If anyone's interested, here's a meme from a few weeks ago about the Forbes report:

http://www.memestreams.net/thread/bid11157/

RE: Online porn often leads high-tech way