Yesterday Microsoft hike the price for Xbox Live Gold subscription pack in many countries, today they justify the same citing the reason Exclusive Content and consistently providing best quaity of service to the user.
In an interview to one of the gaming site Craig Davison said,
if I'm playing Halo: Reach, Gears of War, Call of Duty, the consistency of the service and the experience needs to be there regardless of what that entertainment application is,"
"So that has been critical. As you can imagine, the costs associated with maintaining a service at that level and making sure all of those features are consistent, we're hitting that quality bar, we're adding the customer service infrastructure necessary, we're accommodating all of the same social features and functionality too, there's a cost. Infrastructure costs, of course. And we're continuing to bring more and more content."