That's a bit like asking "what did most books do?"
The whole point of forums was that it's difficult to make a generalization about them and moreover, what "most" forums did/do doesn't matter. What a particular forum might do in a particular context is what mattered.
The whole point of forums was that it's difficult to make a generalization about them and moreover, what "most" forums did/do doesn't matter. What a particular forum might do in a particular context is what mattered.