From https://isc.sans.edu/diary/Geolocating+IPs+is+harder+than+you+think/29834
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This is one reason why Google recently started using "google.com/maps" for its "Google Maps." Users will gladly give Google Maps access to their location. After all, the map needs to know where you are to give directions. But by using "google.com/maps" instead of "maps.google.com," all "google.com" properties now have access to the user's location after the user gave access to the location on google.com/maps.
@yojimbo @maddiefuzz well shit. i did notice the /maps instead of a subdomain, like with photos. But didn't think it through. I don't give them my location though. But they know where I live and routes I have plotted