Facebook's CEO made an admission before Congress that underscores the company's problem protecting user data.
According to Mark Zuckerberg, the tech-savvy co-founder of Facebook also had his data compromised by political consultancy Cambridge Analytica.
However, Zuckerberg told the Senate that users ultimately have control over what is shared via the Facebook 'platform' since a function allows them to share information publicly, with friends, or with certain people.
