Google and Samsung open preorders for their Android XR "Intelligent Eyewear" smart glasses, for $395+ for Warby Parker frames and $449+ for Gentle Monster (Julian Chokkattu/Wired)
https://www.wired.com/story/google-samsung-intelligent-eyewear-launch-warby-parker-gentle-monster-smart-glasses/
http://www.techmeme.com/261112/p28#a261112p28