4chan

Four years ago, an 18-year-old Californian named Nathaniel Fry met a 15-year-old girl from Seminole County on MySpace, according to a lawsuit.

He persuaded her to travel to Sacramento, where on April 1, 2007, he wrote "4/1/07" and "sup /b/?" on his hand -- codes for the notorious online forum 4chan -- and photographed her performing oral sex on him..

Source: http://blogs.miaminewtimes.com/riptide/2011/04/bieyanka_moore_moniker_privacy_services.php