I would not consider it a forum in the sense of an old-fashioned phpBB community, because it has the concept of moving people's contributions to more visible pl

I would not consider it a forum in the sense of an old-fashioned phpBB community, because it has the concept of moving people's contributions to more visible places based on how many people upvote them. In the way I understand the term, a forum would only rank posts and topics based on when people choose to contribute, and nothing more.