Mixed reality devices like the HoloLens will make our lives and work easier in a few years. Be it through holograms projected directly into the world in front of our eyes or the ability to easily meet with others in virtual space – live and in 3D. This next generation of computers, which we wear as glasses on our noses, is being further developed by Marc Pollefeys in the Mixed Reality and Artificial Intelligence Laboratory in Zurich. In the interview, he tells us where it is already in use and how long it will be before it is suitable for everyday use.