every single credit card company does this. you can literally buy purchase data ... | Hacker News

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		edm0nd 3 months ago \| parent \| context \| favorite \| on: Our data shows San Francisco tech workers are work... every single credit card company does this. you can literally buy purchase data from Mastercard, AMEX, and Discover and use this data for retargeting and advanced targeting w ads and run them on Facebook and other platforms. A dog food purchase? Owner likely has pets, serve em a pet ad, etc.

hrududuu 3 months ago | [–]

Im not aware of card networks selling data like this, but there are other players like Yodlee. I used this data for equity trading.

poly2it 3 months ago | [–]

Can I buy such data? How anonymised is it? Source?

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