I am tired of being pestered about why I encourage friends and family to avoid Facebook and most social media.
This list could be better organized.
How Facebook squashes competition
Facebook background processes on phones
Microsoft purchase of LinkedIn, data mining
FB hands over data to feds 81% of the time
Arrests for social media posts surge in London
Facial recognition will end anonymity
Lawsuit for scanning users' messages
FB spies on 70 million users aged 21-34 for financial institutions
FB censors dissenting Europeans, politics
Friends list determines creditworthiness
Facebook profile affects credit [Original story, Financial Times, paywall]
Illinois law requires students to turn over social networking password
Government snooping, data requests report
Subscribing and following exposes journalists to spam and pornography
Facebook intern loses position after pointing out privacy flaws
Companies use Facebook for tracking and spam
Nielsen ratings uses social media for television ads, tracking
Judge approves serving legal papers via Facebook
Everyone has the same personality on social media
Twitter 2009 study, out of 2000 tweets over 50% pointless babble, spam, or self-promotion
Clickfarms, pay for likes, selective sharing
This list is no by no means exhaustive, pull requests welcome.