>>930
I've different always seen it as different eras depending on the prevalence of thread types on the main page. There was the "ITT we are" era, character thread era, "previous poster is" era, CYOA era, etc. All throughout there was peppering of interesting long lived threads like the novel thread and the nomics thread which were like nuggets of gold.
We're kind of in the "Post things from other places" era now with the most active threads being composed of: