Don Mattrick: You haven't seen everything Microsoft has in development yet

In a question that asked if the Xbox should be defining broader markets, Mattrick replied; “Yeah, and we are, and we will be. To create great experiences takes time, and E3 is a point in time.

"You've seen some of the things we have in development, but not all of them."

You can be sure that some of these announcements will be revealed at this years Games Conversion in Leipzig.