Between user privacy issues and political scandals, more people than ever are fleeing Facebook.
The internal emails appear to show that the boss knew some of its practices were questionable, and it comes as Facebook faces regulatory scrutiny.
For better or worse, Facebook is the only social network that has all of my friends and family in one place.
A second former Cambridge Analytica employee has been subpoenaed by special counsel Robert Mueller, The Guardian reports.
The Federal Trade Commission has been investigating whether the leak of Facebook data to Cambridge Analytica violated an earlier settlement.