A larger, wall-mounted version of an 8-year old, failed product... the Surface table?
A not-ready-for-primetime prototype (HoloLens) with no software, or idea of practical use?
(At least Google had some semblance of software and developer community for Glass... And even that failed.)
The ongoing effort to force portions of a mobile device UI on desktop users, in spite of the failure of Windows 8 to achieve popularity doing the same thing?
This is essentialy Microsoft's...