How Cambridge Analytica’s Facebook targeting model really worked – according to the person who built it
How accurately can you be profiled online? Andrew Krasovitckii/Shutterstock.com By Matthew Hindman, George Washington University 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. In an email to me, Cambridge University scholar Aleksandr Kogan explained how his statistical model processed Facebook data for Cambridge Analytica. The accuracy he claims suggests it works about as well as…