I'll add "use monitor" to the Future Features list.
About site participation, as you correctly imply, while I have no figures, it does seem that only a small percentage of the 501 members are active at any given time, and I think "extinct" is a good term for those who are registered but never visit any more, probably a sizeable number. I have debated whether to add a "deregister" link, and whether I should send an email to all members and delete those with non-existent email addresses, after checking if they've posted anything recently. I could also delete those whose registration is older than a couple months but have never posted. If you visit the member list you'll see many have never posted.
Ideas or comments? How do people feel about the actual registration being a more accurate reflection of those actively participating?
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--EvC Forum Administrator