Did Xbox lose every advantage it had?

[MyCodenameIsIan]

I believe Epic retained the rights to the Gears of War IP though.  After Judgment struggled for sales I think it's a good time for a break for the series.  I wonder if Microsoft will buy the IP and develop a new game or whether Epic will create a new multi-platform title?

Judging from Respawn's twitter reaction to Titanfall being a lifetime exclusive for Xbox One, it doesn't seem they have as much control over their IP as they would like.

http://www.neowin.net/news/titanfall-developer-didnt-know-game-would-be-xbox-one-exclusive-forever