LG's 6.1" G8 ThinQ has a speaker integrated into the display, and a front camera that enables non-touch mid-air gesture controls and reads user's palm to unlock (Chris Velazco/Engadget)

Chris Velazco / Engadget:
LG's 6.1" G8 ThinQ has a speaker integrated into the display, and a front camera that enables non-touch mid-air gesture controls and reads user's palm to unlock  —  A palm scanner?  AirMotion gestures?  What's going on here?  —  Once upon a time, a few years ago, LG came to Mobile World Congress …

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