AR/MR/VR - HoloLens, Immersive Headsets and VR HMDs! What you need to know!

Want to understand the current market for AR/MR/VR? A lot of devices and various technologies have been introduced over the last couple of years. Come to get an understanding of the device offerings, development platform options and where you want to spend your time.
Beginner : AR MR VR HoloLens ImmersiveHeadsets