It's not just friends that Messenger is useful for: Facebook Marketplace has become a big competitor to Craigslist, so leaving FB means you'll have a harder tim

It's not just friends that Messenger is useful for: Facebook Marketplace has become a big competitor to Craigslist, so leaving FB means you'll have a harder time selling your junk. Say what you want about Facebook, but at least my FBM ads don't get me a ton of messages from scammers.