This is one of the reasons why I'm actually quite bullish on handheld VR/AR. It has none of the optical challenges of a headset. You lose one hand, and give up

This is one of the reasons why I'm actually quite bullish on handheld VR/AR. It has none of the optical challenges of a headset. You lose one hand, and give up some immersion, but in exchange you get all of the other benefits of VR/AR without any of the optical challenges and lots more performance headroom. I think Google is on the right path with Tango-first. Didn't used to think so.