According to about 4,000 pages of leaked company documents largely spanning 2011 to 2015 and obtained by NBC News, Facebook CEO Mark Zuckerberg leveraged the social network’s data as bargaining chip, writes Olivia Solon and Cyrus Farivar.

Here is the link: https://www.nbcnews.com/tech/social-media/mark-zuckerberg-leveraged-facebook-user-data-fight-rivals-help-friends-n994706