'Are we dating the same guy?' Facebook groups have spread around the world. They were born with the aim of alerting other women about men with dishonest behavior on social networks.

But the first defamation lawsuit has revealed their problems with privacy and defamation. These groups are private. To access them you must first fill out a survey and wait for the administrators' verdict. They have various rules, among which is the prohibition of giving personal information about men or exposing their surnames or addresses, as well as not taking screenshots that show what is being said in that group.