https://www.cnbc.com/2019/04/18/facebook-reportedly-uploaded-people-email-contacts-without-consent.html

Social networking giant Facebook said on Wednesday evening it may have "unintentionally uploaded" the email contacts of up to 1.5 million users on its site, without their permission or knowledge, when they signed up for new accounts since May 2016.

Those contacts were not shared with anyone and Facebook is deleting them, a company spokesperson told CNBC.