Share 'experiences with Facebook and alternatives'

Apologies if this has already been discussed to death. It's a pretty banal topic.So I've set up a Facebook group for our union branch - the reason being that loads of people are already on FB and, and I've had some bad experiences elsewhere with alternative platforms (specifically Crabgrass), where a lot of people don't like to go through the extra step of joining the network THEN joining the gro…