What you need to know about the Cambridge Analytica-Facebook controversy

Cambridge Analytica, a firm that ran data operations for President Trump's presidential campaign, was banned from Facebook on March 16. Here's what you need to know about the company. Read more: http://wapo.st/2GJvDsz. Subscribe to The Washington Post on YouTube: http://bit.ly/2qiJ4dy

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Source: Washington Post, https://www.youtube.com/watch?v=RqKtj8ZPUpk