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Facebook founder and CEO Mark Zuckerberg arrives to testify during a Senate Commerce, Science and Transportation Committee and Senate Judiciary Committee joint hearing about Facebook on Capitol Hill in Washington, DC, April 10, 2018. / AFP PHOTO / SAUL LOEB        (Photo credit should read SAUL LOEB/AFP/Getty Images)
Facebook founder and CEO Mark Zuckerberg arrives to testify during a Senate Commerce, Science and Transportation Committee and Senate Judiciary Committee joint hearing about Facebook on Capitol Hill in Washington, DC, April 10, 2018. / AFP PHOTO / SAUL LOEB        (Photo credit should read SAUL LOEB/AFP/Getty Images)

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Zuckerberg: It was my mistake, I'm sorry

Facebook CEO Mark Zuckerberg apologizes to Congress in the wake of the Cambridge Analytica scandal.

Zuckerberg: It was my mistake, I'm sorry

Facebook CEO Mark Zuckerberg apologizes to Congress in the wake of the Cambridge Analytica scandal.