▲ 24 ▼ Why do supermarkets have loyalty cards? (feddit.uk) submitted 1 month ago by pottery@feddit.uk to c/askuk@feddit.uk 23 comments fedilink hide all child comments Can't they just track everything you buy using your payment card?
[–] LordCrom@lemmy.world 6 points 1 month ago The loyalty card lets them track cash payments made by you as well. permalink fedilink source parent