According to this thread

http://www.adultdvdtalk.com/forum/topic.dlt/whichpage=2/pagesize=30/cat_id=3/forum_id=7/topic_id=62122/m=/62122.htm

Bill the moderator says "The creation of that board(XDT) is due to the its owner having been thrown out of ADT."

A good thing if true since it led to the creation of an un-censored board where you can actually post pictures.