https://www.reuters.com/article/us-facebook-privacy/facebook-says-cambridge-analytica-may-have-had-data-on-87-million-people-idUSKCN1HB2CM

Facebook Inc said on Wednesday that the personal information of up to 87 million users may have been improperly shared with political consultancy Cambridge Analytica, up from a previous news media estimate of more than 50 million.