Google Home can now use Nest speakers to detect your presence
 

Google Home no longer needs to lean solely on smart home devices like thermostats to know whether or not you're around. Home's optional presence sensing feature can now use interactions with Nest speakers and smart displays to help detect activity in your abode, letting it perform automated actions. If you talk to your Nest Audio or tap your Nest Hub, for instance, Google may know to turn the lights on. Second-gen Nest Hubs can also use their Soli radar sensor to tell when you're close.

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