pottery@feddit.uk to Ask UK@feddit.uk · 1 个月前Why do supermarkets have loyalty cards?message-squaremessage-square23linkfedilinkarrow-up125arrow-down11file-text
arrow-up124arrow-down1message-squareWhy do supermarkets have loyalty cards?pottery@feddit.uk to Ask UK@feddit.uk · 1 个月前message-square23linkfedilinkfile-text
minus-squareZweiEuro@lemmy.worldlinkfedilinkarrow-up2·1 个月前You could have multiple cards; idk how it works for the US but maybe they cant see the card owner? So if a loyalty card is used with two credit cards it is useful to know it’s most likly the same family or even the same person? Wild speculation
minus-squareDultas@lemmy.worldlinkfedilinkarrow-up1·1 个月前Even if they can see the owners name it’s not like they’re unique. Although doing simple correlation wouldn’t be that difficult.
You could have multiple cards; idk how it works for the US but maybe they cant see the card owner? So if a loyalty card is used with two credit cards it is useful to know it’s most likly the same family or even the same person?
Wild speculation
Even if they can see the owners name it’s not like they’re unique. Although doing simple correlation wouldn’t be that difficult.