The Windows 10 augmented reality platform, which superimposes 3D images onto the user's view. In contrast, a virtual reality system is entirely immersive, and users have to remain stationary to avoid bumping into objects in the room. Users of the Windows HoloLens goggles move around comfortably in their environment. HoloLens The primary component of the system is the HoloLens 3D goggles, which uses motion sensing that evolved from Microsoft's Kinect technology but with a wider 120 degree field of vision. The HoloLens has a built-in CPU, graphics processing unit (GPU) as well as a holographic processing unit (HPU), which is a dedicated chip for operating in the environment.