For Spencer, HoloLens is both Microsoft's alternate answer to the recent virtual reality explosion and a potential answer to Sony's Project Morpheus headset -- a VR peripheral that works with the PlayStation 4, where HoloLens could work with the Xbox One. "It's very cool. To me there's not a successful consumer electronics device on the planet where gaming is not a primary form of app category on the thing," Spencer said. There's even a "Minecraft-inspired" demo -- which answers that question -- for HoloLens that shows the implications of gaming with holograms. But no demo showed the headset working with the Xbox One in any capacity. Spencer instead talked around that possibility: