How does mixed reality compare to VR? Hands on with the Microsoft HoloLens

Back in 2015 Microsoft took to the stage at its annual Build Developer Conference to showcase to the world a vision of the future it called ‘mixed reality’. It came in the form of a product that had already spent five years in development. It was a wearable device that scanned your physical surroundings and overlaid digital objects or ‘holograms’ that only the wearer could see.
A number of commercial possibilities were demonstrated when it launched, from its pot