Google's smaller Home Nest Hub doesn't come with a camera as the company initially wanted to avoid people from believing it would spy on them. Still, with the launch of the camera-equipped Nest Hub Max, it was clear it noticed customers are comfortable with trading their privacy for a plethora of features. Among other things, the Hub Max offers gesture control through its camera, which lets you play and pause media by raising a hand. Now Google is adding a new ultrasonic sensing feature that allow both the smaller and the bigger Hub to react to nearby people without the use of a camera.

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