• electricprism@lemmy.ml
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      3 months ago

      With a cliffhanger like that I’ll try to guess … number of steps taken?

      Not really sure what else is realistic and what is hypothetical.

      • just_another_person@lemmy.world
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        3 months ago

        Cliffhanger? Other upvotes because they know what I’m talking about. No cliffhanger.

        Think about all the positional sensots in your phone. Then think about what it knows before going into this bag…then after.

        Time elapsed, steps taken, speed, direction faced, phone orientation…it can tell you almost exactly where you are without GPS.