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Second thoughts on trading supermarket cards
After reading Eugene Volokh's posts on the subject, I have changed my mind about trading the supermarket discount cards. While I would take a juvenile pleasure in screwing with the supermarkets, Volokh's is the principled and correct stand. If you don't want the supermarkets to have that information about you, don't get one. I guess I won't get one after all.
I have one friend who started using Safeway's online delivery service, and she said that they prepopulated her online shopping list with her most frequent purchases. She said that it was very useful but creepy.
I wonder what the credit card companies do with the information that they have on our purchases?
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