Two weeks ago, Facebook learned that The New York Times, Guardian, and Observer were working on blockbuster stories based on interviews with a man named Christopher Wylie. The core of the tale was familiar but the details were new, and now the scandal was attached to a charismatic face with a top of pink hair. Four years ago, a slug of Facebook data on 50 million Americans was sucked down by a UK academic named Aleksandr Kogan, and wrongly sold to Cambridge Analytica.

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