Pew: 74% of users don’t know Facebook records their ad preferences

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Facebook has been in the news quite a bit for its ad targeting over the past year, most notably with reports that the now-defunct Cambridge Analytica used improperly obtained data to develop “personality” profiles on U.S. voters and target ads toward them during the 2016 U.S. presidential election. But many users are still unaware what information Facebook actually collects for ad targeting purposes.

A new survey out this morning from Pew Research found that 74 percent of Facebook users surveyed did not know there was a “your ad preferences page” where they could see which ad categories Facebook had placed them into, based on interests and information they’ve shared with the service. Pew surveyed 963 U.S. adults with Facebook accounts between September 4 and October 1, 2018.

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Google Ad Preferences thinks it knows who you are from your web history

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Google’s Ad Preferences page shows you the profile Google has built up of your interests.

It has been said that Google knows more about what you like than your own partner. Now the search giant has given a glimpse on just how much information it has collected – and who it thinks you are.

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