As part of an in-depth investigation into the role big data company Cambridge Analytica played in influencing the Brexit campaign in the United Kingdom and the presidential elections in the United States, The Guardian’s Observer magazine has published the story of whistleblower Christopher Wylie, a former employee of Cambridge Analytica that devised the behavioral analysis software used by the company says, "We exploited Facebook to harvest millions of people’s profiles. And built models to exploit what we knew about them and target their inner demons."
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