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by em-bee 990 days ago
a better example is a meetup in a closed room. (i just attended one of those). you are clearly part of the group, but you get to overhear private conversations, and sometimes it is appropriate to join in, and sometimes it isn't. the difference is that when i walk around the room from group to group, i get signals if i am welcome to join or i am being ignored. these signals are missing online.