https://www.reuters.com/article/us-facebook-privacy/facebook-says-it-uploaded-email-contacts-of-up-to-1-5-million-users-idUSKCN1RU06R

Facebook Inc said on Wednesday it may have "unintentionally uploaded" email contacts of 1.5 million new users since May 2016, in what seems to be the latest privacy-related issue faced by the social media company.