[HohPum1l]

> But even if some company offered that all the retailers could still share their data with some aggregator which would effective work around your privacy oriented card not sharing data.

If you buy in a brick and mortar store the retailer would not have your address, only your card number. And a privacy-focusd CC company would allow you to generate new numbers for each transaction so the retailers can't use that to merge datasets.

[foepys]

Funnily enough, Google Pay (and Apple Pay even earlier) is doing exactly that [1]. The merchant is only seeing a token that will be connected to the actual card number in the credit card network.

Google is now closing the circle to get to know exactly what was bought - blowing all privacy advantages away.

1: https://support.google.com/pay/merchants/answer/6345242?hl=e...

[basicplus2]

And removing the oportunity for the retailer to collect info on who shops in their stores...

[HohPum1l]

An "opportunity" they never had with cash in the first place.

[basicplus2]

Yes but they do have the opportunity when customers pay with their credit card directly..

An untapped opportunity perhaps