Credit cards and grocery stores

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From: Tom Woosnam (twoos@csus.com)
Date: Fri Feb 15 2002 - 07:58:39 PST 

Message-id: <fc.000f5b5a003085463b9aca00abb80796.308550@csus.com>
Date: Fri, 15 Feb 2002 07:58:39 -0800
Subject: Credit cards and grocery stores
From: "Tom Woosnam" <twoos@csus.com>

You swipe your credit card through the reader at a grocery store. It
doesn't work. The clerk takes the card, puts it in a plastic bag and
swipes the card and bag together through the reader. It works. If the
stripe contains information in 'magnetic form' why would what appears to
be a static electricity phenomenonmake make any difference? Many thanks
for any light y'all can shed.

Tom Woosnam

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