The thing about this:
~You have to have their GPS unit in your car.
~You have to be on a road they can track
~What stops me from doing 90 from A to B but I stop at C for lunch so my average is 45 since it only records your A & B time stamps
Read this last week, and there are a lot of problems with this design, similar to why camera systems are not 100%. They can tick you at A & B, but are unable to calculate for stopping at C for some time to waste time.
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