If Call of Duty came to Facebook...
Look, Activision, do you want to make Facebook games or not?
Call of Duty lands on Facebook ... in its upcoming Elite social network
Activision: Call of Duty more engaging than Facebook's top three games
Activision Blizzard and Social Gaming: Call of Duty: Elite is the first step
Activision wants Call of Duty Elite to blow your mind with features
Activision's Call of Duty Elite Service: Soldier-slayer goes social