You don't need GPS to track someone by their cellular phone; you can do it via triangulation by the cellular towers. Basically two cellular towers say "hey, this guy is that way", and the combination of directions and position allow someone with a map to determine where you are relative to those two towers.
The easiest way to not be tracked is to turn off your cellphone.
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If ignorance is bliss, you must be having an orgasm.
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