Quote:
Originally Posted by FFR
Does anyone know what the little square plastic mat thing is at airports just as you get to security screening (but before you get to the point where you take off your shoes, etc.). It's located right when they first check your boarding pass. You stand on the mat and something lights up usually with a green arrow. Is it there for a reason? Or just to make sure you aren't a ghost or something?
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Its the polite way to profile people.