From Last March :Microsoft Is Working With Virtual Reality, Too

“I think the technology is really interesting, and it’s definitely something we’ve been playing with for quite a while,” he said. He doesn’t think that “every experience requires goggles on my head,” but admitted to the value of “being able to completely audibly and visually immerse players.”

http://www.forbes.com/sites/davidthier/2014/03/21/microsoft-is-working-with-virtual-reality-too/