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Facebook will let users remove data from outside sites

A close-up shot of Facebook's Mark Zuckerberg wearing a suit
Facebook CEO Mark Zuckerberg testified before Congress last month. Photo: Matt McClain/The Washington Post via Getty Images

Facebook said Tuesday that in the coming months it would let users see and wipe the data fed into its ad targeting system by outside websites and applications.

Why it matters: Facebook is grappling with a data privacy reckoning after the Cambridge Analytica scandal focused a spotlight on its relations with external developers.