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by m0guz 2049 days ago
Even if you disable geolocation, Google can learn your location via Wifi/Access points nearby easily. It should be easy to cross references you (geolocation disabled) and others (one of them enabled geolocation) in the same network for Google.

> Google retains a detailed map of known Wi-Fi networks and access points. By knowing the exact location of these networks, and your proximity to them, its location services can gauge your location with roughly 30 feet of accuracy. [0]

[0] https://slate.com/technology/2018/06/how-google-uses-wi-fi-n...

1 comments

It should be noted that by using WiFi (or Bluetooth) triangulation you can actually get much higher location accuracy, like a foot or two

30 feet sounds like cell tower triangulation.

Using cell tower and wifi location actually made my location much less accurate when I was living in SF. Rideshares would pull up to the wrong side of the street where the cell tower was, and immediately get kicked out and ditch me because it was a high use bus stop. When driving myself I would pop several streets over every time a new office tower came into line of sight. When near the beach, my location would fix to some cafe half a mile away with its wifi power up too high.