Understanding Public, Closed, and Secret Facebook Groups
UPDATE: On August 14, 2019, Facebook changed privacy options for groups. See Facebook's announcement for more details, and refer to our Surveillance Self-Defense guide on reducing risks when using Facebook groups.There are as many different uses for Facebook groups as there are Facebook users, from...
Jun 13, 2017 ... Anyone can add themselves as a member without any invite or approval. Closed groups are more confusing. A Closed group's name, ...