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Christopher wylie NBC
Christopher wylie NBC

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    Ex-employee blows the whistle on data firm

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Ex-employee blows the whistle on data firm

After a report showed Cambridge Analytica, a data firm with ties to the Trump campaign, used private information from 50 million Facebook users, a whistleblower is explaining how the data was used.

Ex-employee blows the whistle on data firm

After a report showed Cambridge Analytica, a data firm with ties to the Trump campaign, used private information from 50 million Facebook users, a whistleblower is explaining how the data was used.