Imagine this: You pull up to your driveway and your garage door opens like magic. You head for your doorstep and walk right through the front door, no keys needed. Already, your favorite playlist is queued up on your smart speakers, and the room is set to the perfect temperature—all without saying a word to a smart assistant or pulling out your phone.

Those feats are possible thanks to a smart home feature called geofencing: that is, setting up a geolocated virtual perimeter or “fence” around your home, your office, or anywhere else you choose. When you cross the boundary—either coming or going—you can set your smart home to do something, usually by triggering an automation or routine.

There’s nothing new about geofencing—all the major smart platforms, from Alexa and Apple Home to Google

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