Protocol: Facebook tried to ban gun sales 4 years ago. It’s still trying.

Protocol: Facebook tried to ban gun sales 4 years ago. It’s still trying.. “In early 2016, Facebook took a political stand unlike any it had before, prohibiting private gun sales on its website. Four years later, the fallout — gun enthusiast groups moving into the shadows where sales remain common, sellers gaming the Marketplace feature, and the well-documented use of coded language by gun owners — demonstrates how difficult it is for Facebook and other platforms to monitor and control the powerful forums they provide.”