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They buy all of your credit card data.

• nkozyra 6y ago
  I'm not sure that would allow you to glean specific types of clothing, unless the purchases were at Pants R Us or The Pansatorium
  • tobyjsullivan 6y ago
    You are assuming it is Visa or MasterCard selling transaction information but that seems unlikely (beyond aggregate, non-identifiable data). It's far more likely that the Gap is uploading your itemized receipt data to advertising networks (complete w/ that email address they always ask you for and your CC info) under the guise of improving their own retargeting.
• rhizome 6y ago
  That isn't itemized. It'll tell them how much you use a credit card, and where, but that's it. No, what they do is buy point-of-sale data from stores, often through companies like Nielsen and larger. NOW they know what you're buying, and Banana Republic ain't gonna stop telling them, because the market research aggregators pay them back by telling them who is buying their stuff, like people whose credit card usage is 45% directed at clothing stores.