Obscurity in the sense of "how many people know about this site" is not binary - every inbound link makes it a little less obscure. Popular forums (at least in

Obscurity in the sense of "how many people know about this site" is not binary - every inbound link makes it a little less obscure. Popular forums (at least in my experience) stop being worthwhile to me past a certain point, and sometimes do just die outright from the problems caused by their popularity.