How many freepers even know what a listserv is? This learned person needs to spend a little time reading.....the site. Or this is a techno-nerd/DUmmie's attempt at a troll. Wash your hair while yer at it dude.
I'll bet a fair number of FReepers have been or currently are on listservs. I've been on several and continue to be on one related to my profession. It gives more privacy than a forum.