Mark Zuckerberg just lost $3.8 billion over misused data affecting 50 million Facebook users

[ad_1] Mark Zuckerberg’s fortune dropped US$3.8 billion Monday as investors weighed reports that a political advertising firm retained information on millions of Facebook Inc. users without their consent. The world’s biggest social network said Friday that Cambridge Analytica, the advertising-data firm that helped Donald Trump win the U.S. presidency, received user data through an app…

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