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Re:Google and Mastercard Cut Ad Deal to Track Retail Sales by HohPum1l on Friday August 31, 2018 @04:05AM (#17883787)
> 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.

Re:Google and Mastercard Cut Ad Deal to Track Retail Sales by foepys on Friday August 31, 2018 @04:13AM (#17883820)
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...

Re:Google and Mastercard Cut Ad Deal to Track Retail Sales by basicplus2 on Friday August 31, 2018 @05:25AM (#17884113)
And removing the oportunity for the retailer to collect info on who shops in their stores...
Re:Google and Mastercard Cut Ad Deal to Track Retail Sales by HohPum1l on Friday August 31, 2018 @05:46AM (#17884209)
An "opportunity" they never had with cash in the first place.
Re:Google and Mastercard Cut Ad Deal to Track Retail Sales by basicplus2 on Friday August 31, 2018 @06:21AM (#17884354)
Yes but they do have the opportunity when customers pay with their credit card directly..

An untapped opportunity perhaps