How Cambridge Analytica’s Facebook targeting model really worked – according to the person who built it

An email from Aleksandr Kogan sheds light on exactly how much your Facebook data reveals about you, and what data scientists can actually do with that information. The researcher whose work is at the center of the Facebook-Cambridge Analytica data analysis and political advertising uproar has revealed that his method worked much like the one Netflix uses to recommend movies.

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WHY IT MATTERS: this well researched article with many links will provide hours of content to help you understand the Facebook breach. The data may surprise you both by the high accuracy that some predictive models have, and by the relatively low accuracy of other elements.

Farid Mheir