Loyalty Cards are they a good idea

@venshida (4837)
United States
December 12, 2006 11:04am CST
Every store nowadays have these cards. You fill out your personal info and in return you receive some type of discount. Anyone ever wonder why they need this info? What do they do with this info? Did you give them your personal info or did you use fake info? Do you think the discount was worth giving out your personal info?
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