As Brad noted earlier today, Microsoft is secretly building a new Windows-based mobile platform that may or may not ever come to market. Microsoft, please. Stop squandering your credibility.
Over the past few years, Microsoft executives have publicly admitted that they "missed" the mobile wave, and that the new strategy is to be sure they're poised to ride the next wave. But Microsoft is now in danger of missing that next wave---ambient computing---too, and it's wasting time elsewhere with AR/MR/VR pipe-dreams.