In a keynote to GDC Austin, two Blizzard developer pulled back the curtains on some aspects of World of Warcraft that players might not consider much, and dropped an interesting tidbit about how the series evolved from RTS to MMO.

Gamasutra has a great write-up of a Game Developers Conference Austin panel wherein Tracy Seamster of ZeniMax Online and Steve Danuser of 38 Studios talk massively multiplayer online game writing.