Blizz in deals with Facebook to allow FB login integration into Blizz games :
http://www.streetinsider.com/Corporate+News/Activision+Blizzard+(ATVI),+Facebook+(FB)+Enter+Agreement+for+Facebook+Login+Integration+into+PC+Games/11711411.html
Blizz in deals with Facebook to allow FB login integration into Blizz games :
http://www.streetinsider.com/Corporate+News/Activision+Blizzard+(ATVI),+Facebook+(FB)+Enter+Agreement+for+Facebook+Login+Integration+into+PC+Games/11711411.html