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Google Maps tests new pop-up ads that give you an unnecessary detour
(www.androidauthority.com)
This is a most excellent place for technology news and articles.
No. It means they get the data from somewhere else, maybe from some carsharing app, or from some government db from car counting thingies mounted on traffic lights, etc. There are other sources to get traffic data ftom, but usually following users is more convenient and reliable
They wont tell us where they get it from, they only say it's not generated via this app. They are followimg someone, but not me.