I can confirm that they are not sponsoring the event. They are attending as they do in all the european shows this fall and have booked a suite in the hotel for meetings....Thats it.
Now some want to play funny games. We prefer to pass....
As some posted above check
www.webmasteraccess.com 
Only thing there of .xxx is indeed the Smackdown: Stuart Lawley (CEO of .XXX) VS Tom Hymes (Senior Digital editor of AVN and VP of the board of FSC...).