"Ah, Scott! He's a friend of mine going back to the stone age of CALL, i.e. the mid-1980s. Give him my regards. We last met at the EUROCALL 2010 conference in Bordeaux.
If you wish to find out more about SL look at Section 14.2.1 of Module 1.5…"
As for WOW, I've never played it. The guy you really need to contact is Steven Thorne. He gave a plenary at EUROCALL 2009 in Spain, where he talked about multiplayer gaming, including WOW. The video stream is here: