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

submitted 3 months ago* (last edited 3 months ago) by [email protected] to c/[email protected]

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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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[–] [email protected] 6 points 3 months ago

That, and things like Apple Pay randomize the card number when you pay. It’s why my local grocery store refused to switch to contactless payments for so long. They finally gave in and are piloting it on some stores now.