https://www.reuters.com/article/us-facebook-privacy-testimony/facebook-ceo-says-company-did-not-do-enough-to-prevent-misuse-idUSKBN1HG2EY >Facebook Inc Chief Executive Mark Zuckerberg told Congress on Monday that the social media network did not do enough to prevent itself and its members' data being misused over the past few years and offered an apology to lawmakers.