https://www.theguardian.com/technology/2018/mar/21/mark-zuckerberg-response-facebook-cambridge-analytica

The Facebook CEO has acknowledged the unfolding scandal that revealed data on 50 million Americans had been harvested, pledging to investigate and audit apps

Mark Zuckerberg broke his silence on the data harvesting scandal that has enveloped Facebook this week, acknowledging in a Facebook post that the policies that allowed a political consultancy to obtain data on 50 million Americans data were “a breach of trust between Facebook and the people who share their data with us and expect us to protect it”.