According to the Main Page, there are 3947 registered users of this board. It is easy to understand how that number grows: someone signs up, acquires a board name, begins to post, and the counter clicks one up. It is more difficult to discern if the number is ever reduced. There are not 3947 posters elbowing one another aside to find space to post here. Does the proprietor never clean the closet, removing and discarding those identities which have been silent for some period of time? If not, the number doesn't mean much. It stands for how many people started the race but not how many runners are on the road, which is not a particularly useful thing to know.