When Apple introduced Face ID on the iPhone X in 2017, many other companies were quick to launch their own version of the facial-recognition technology. Now, however, it looks like Google will include not only facial recognition on the Pixel 4, but will take it a step further by including gesture-based controls, essentially meaning that you can use the phone without even touching it.
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https://www.digitaltrends.com/mobile/google-pixel-4-gesture-controls-teaser/
