Google is including a radar sensor that can detect gestures:
When VP of Product Management Sabrina Ellis announced the Pixel 4’s motion-sensing feature, she showed off applications that allow users to swipe and dismiss notifications without touching the phone, or wave to an animated Pikachu who waves back.
This really does set the imagination rolling when we think we can soon actually gesture in the air and affect the information on our devices… and even holograms.
“Radar’s been around for a long time and it’s still one of the best ways to sense motion. It’s precise, it’s low-power, and it’s fast. … But radar sensors have always been way too big to fit in a phone. So we shrank it down into a tiny chip,” Ellis said at the event. “The Soli team is working on a wide range of helpful new features, from gaming to personal wellness.”
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