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I built the Loyalty Card Emulator 🪄
(apfelkompott.codeberg.page)
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this post was submitted on 23 Sep 2023
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Privacy
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This is awesome. Stateside they’re often tied to phone number, and/or buried in the (otherwise worthless) app
Shared loyalty cards really are a privacy necessity, I know exactly how much data those stores already have on me, and it’s a privacy nightmare.
not sure how loyalty cards work in the us, but i don't get how this should work with payback specifically.
the only thing that i can see is that you collect points for the person that 'owns' the number... 😐
While it's true that the person who 'owns' the number will get points from whatever you buy, this is still very useful in those stores (increasingly many, anecdotally) where the price is a lot lower at checkout when you have a card or associated phone number. 'Discounts', I.e. un-jacked up prices, only available when you sell your data.
I can confirm that this is the case at "Albert Heijn" in the Netherlands, where you can "save" a bit of money during checkout if you were to present your loyalty card.