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Re:Fitbit is reportedly buying Pebble for around $40M by cmdrfred on Thursday December 01, 2016 @07:48AM (#13078995)
Maybe they are using GPS as a compass?
Re:Fitbit is reportedly buying Pebble for around $40M by FireBeyond on Thursday December 01, 2016 @02:01PM (#13082335)
This. Many mobile, or even vehicle (GPS) compasses are not magnetic at all, but are doing point to point math on your GPS coordinates to "determine" your compass heading.