| A personal decision by Facebook CEO Mark Zuckerberg leads to a crackdown on dissent in Vietnam. Measures to suppress hateful, deceptive content are lifted after the American presidential election in 2020.
A trove of internal Facebook documents reveal that the social media giant has privately and meticulously tracked real-world harms exacerbated by its platforms, ignored warnings from its employees about the risks of their design decisions and exposed vulnerable communities around the world to a cocktail of dangerous content. | 
