The most problematic aspect of Facebook’s power is Mark’s unilateral control over speech.
There is no precedent for his ability to monitor, organize and even censor the conversations of two billion people.
#Facebook engineers write algorithms that select which users’ comments or experiences end up displayed in the News Feeds of friends and family.
These rules are proprietary and so complex that many Facebook employees themselves don’t understand them.
https://www.nytimes.com/2019/05/09/opinion/sunday/chris-hughes-facebook-zuckerberg.html