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Do stores use bank account info to analyze shopping patterns? (mander.xyz)

submitted 2 months ago* (last edited 2 months ago) by notsofunnycomment@mander.xyz to c/asklemmy@lemmy.ml

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Out of a reflex of distrust, I refuse to participate in any kind of loyalty program of the outlet of the large retail store around the corner.

I tell myself that by refusing to join the loyalty program (which basically comes down to scanning an anonymous loyalty card every time I make a purchase), I prevent them from adding my correlations (what products I buy, in what combos, at what time) to their data.

But since I normally pay by card, I guess they can (and do) already do that with my bank account information?

If I would pay with cash, they can still see those correlations per purchase, but they can't track my purchases over time?

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[–] Brad 4 points 2 months ago

It's absolutely possible. It would depend on the store but I'm guessing a store that has a loyalty program is interested enough in analyzing customer data that they would use your credit card as a unique identifier of you as a customer, especially for transactions where there wasn't a loyalty number entered.