For those who want some interesting information about the background of child pornography industry Wikileaks made the decision to publish one letter that they got on the topic. Usually Wikileaks only publishes source documents but they made an expection because of the value of information to understand what going on with regards to filter the infernet from child pornography. http://wikileaks.org/wiki/An_insight_into_child_porn
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.