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How To Opt Out of Receiving Facebook Ads Based on Your Real-Life Shopping Activity

www.eff.org/deeplinks/2013/02/howto-opt-out-databrokers-showing-your-targeted-advertisements-facebook

From the page

Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.

Facebook has announced that its teaming up with four of the worlds largest corporate data brokers to enhance the ad experience for users. Datalogix, Epsilon, Acxiom, and BlueKai obtain information gathered about users through online means (such as through cookies when users surf the web) as well as through offline means (such as through loyalty cards at supermarkets and product warranty cards)1. Through the new relationship with Facebook, companies will be able to display advertisements to Facebook users based on data that these data brokers have on individuals.