Well, but personal websites and rss have lost, sadly. I agree with you that being mainstream is not the defining characteristic of a working system. OTOH, eve

Well, but personal websites and rss have lost, sadly. I agree with you that being mainstream is not the defining characteristic of a working system. OTOH, every "community" has a lower bound when it comes to involvement. At some point, things just die out, like FidoNet or CB radio.