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Trump-linked firm collected data from 50 million Facebook profiles

Photo: Jaap Arriens / NurPhoto via Getty Images

The data firm Cambridge Analytica, which worked with the Trump campaign leading up to the 2016 election, used personal information from 50 million Facebook profiles of U.S. voters to build a system to predict and influence choices at the polls, according to investigations from The New York Times and The Observer newspaper in Britain.

Why it matters: This is reportedly one of the largest instances ever of Facebook data being exposed. The social media giant, which is already grappling with mounting criticism over the dissemination of fake news and Russian propaganda to influence the 2016 presidential election on its platform, will certainly face more scrutiny.