In the 2016 U.S. Presidential Election, Facebook found itself at the center of a controversy regarding its role in disseminating misinformation. With over two billion active users by that time, the platform had become one of the most powerful information-sharing tools. However, it also became a conduit for false and misleading content, including propaganda and fake news that may have influenced voters. This case study explores how misinformation spread on Facebook during the election, the platform’s challenges in controlling it,...