There's a huge market for grocery store purchase history from those loyalty card... | Hacker News

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		politician on March 29, 2018 \| parent \| context \| favorite \| on: Facebook Will Cut Off Access to Third Party Data f... There's a huge market for grocery store purchase history from those loyalty cards everyone uses.

jacquesm on March 29, 2018 [–]

Which is why I don't have one of those but I make myself no illusions about the grocery company being able to track me anyway based on the bank card used to pay for the groceries.

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