http://www.techradar.com/news/windows-mixed-reality-everything-you-need-to-know

Windows Mixed Reality (MR) can be a confusing concept. Is it virtual reality (VR), like the Oculus Rift, or it is more like augmented reality that Microsoft has already delved into with the HoloLens?

The answer is: it’s kind of both, really – though far more like the former than the latter.