The augmented reality headset wars have begun

Floating just inches from my face was a semi-translucent brain. It was, this being Austin, missing a few pieces. To my left floated the frontal lobe. I reached out with my virtual left hand, tapped it and the lobe floated into place. The brain and my first taste of Meta 2 augmented reality were complete. The experience was not wholly unfamiliar. I've tried out Microsoft's HoloLens — the best-known augmented reality headset — fending off invaders crawling through hotel walls and walking aroun...