Zuckerberg said that he included in the 87 million Facebook users personal data is misused by political consultant Cambridge Analytica.
Unfortunately, the boss platform Instagram and WhatsApp explanation did not give further details on the data which are misused.
This year 33 man admits his company failed to protect the data of its own.
This shows Facebook might have had trouble making members of the U.S. Congress believe that users can easily protect their personal information on Facebook.
The issue of the misuse of Facebook user data by Cambridge Analytica is the reason Zuckerberg called to give explanations on Capitol Hill. There, Zuck dicecar a question about how the company gain the data and share it with third parties.