People being people, they can use any medium they can find to make acquaintances. Tools being tools, some of them are better than others. Here's a list of sub

People being people, they can use any medium they can find to make acquaintances. Tools being tools, some of them are better than others. Here's a list of subjects that I know people have bonded over: - fandom of specific works - generic fandom - fish aquaria - genre literature - a period of history - games (video, board, role-playing, LARP...) - sports - watches - cars - appliance repair - carpentry You need strict enough moderation that firefights and trolls are quashed immediately, and loose enough moderation that the occasional side-conversation or on-topic rant is allowed through. Proper threading and the ability to know what you've already seen and what is new: those are also necessary. The internet is what you make of it.