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Can Your Cell Phone "Wipe" Your Magnetic Room Card?
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Jun 30, 2005, 12:19 am
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alanh
Join Date: Apr 2005
Location: PHX
Posts: 3,796
Credit cards are meant to be recorded once only, so they're deliberately difficult (though not impossible) to demagnatize. Hotel room keys, on the other hand, are routinely erased and reused so they're more vulnerable to accidental erasure.
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alanh
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