"It’s the end of October, when the days have already grown short in Redmond, Washington, and gray sheets of rain are just beginning to let up. In several months, Microsoft will unveil its most ambitious undertaking in years, a head-mounted holographic computer called Project HoloLens. But at this point, even most people at Microsoft have never heard of it. I walk through the large atrium of Microsoft’s Studio C to meet its chief inventor, Alex Kipman. Alex Kipman. Andrew Hetherington The headset is still a prototype being developed under the codename Project Baraboo, or sometimes just “B.”" - That's So CAJ!