What Xbox boss Don Mattrick’s exit means for Xbox One

Microsoft’s Xbox chief is walking out the door to join Zynga just months before Xbox One goes on sale.

Social-game developer Zynga revealed today that Don Mattrick, Microsoft’s Xbox head, is taking over as chief executive officer for Mark Pincus. This leaves Microsoft without a president for its Interactive Entertainment Business (IEB) division, and it might leave some wondering what this all means for Xbox One.