Facebook tracks you offline: How to make it stop

A new report from Business Insider found Facebook has been partnering with numerous brick-and-mortar retail stores to share shopping habits, demographic data and contact information to assist in the company's targeted ad campaigns.

Information collected by the stores and Facebook includes the products you've bought, how much you spent, your contact info and even your name. This data is harvested when you check out at the register (usually via email receipts), and is matched against Facebook account and profile information.

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