Facebook Says Contact Data from 1.5 Million Users 'Unintentionally Uploaded'

Facebook harvested the email contacts of 1.5 million users without their knowledge or consent when they opened their accounts. Since May 2016, the social-networking company has collected the contact lists of 1.5 million users new to the social network, Business Insider can reveal. The Silicon Valley company said the contact data was "unintentionally uploaded to Facebook," and it is now deleting them.