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 th

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.