"Of course, selling sex is an old business -- most say the oldest. But as the Craigslist controversy proves, it's also one of the fastest changing. And as a result, most people's perceptions of the sex trade are wildly out of date."
http://www.washingtonpost.com/wp-dyn/content/article/2010/09/10/AR2010091002670.html
http://www.washingtonpost.com/wp-dyn/content/article/2010/09/10/AR2010091002670.html