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Google Maps tests new pop-up ads that give you an unnecessary detour
(www.androidauthority.com)
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They get that same location data with or without maps. As long as you are using stock android, Google knows exactly where you've been even if you enable airplane mode. They get your position with WiFi networks and other phones around you and store that data with timestamps. Maps doesn't give them any extra data, it simply binds you into their ecosystem.