Hmm, the goal wasn't to "monitor" users -- I was thinking it was sort of a way for the community to see who's chatting (both in a java-based chatroom and the vb boards) where online and go and keep the conversation flowing. Nothing big-brother-ish about it -- at least not in my mind. Anyway, I took that portion out and just showed a userlist since I didn't see that angle before! Thanks for bringing that to my attention before my users caught it!
(Also, there *is* a flag for the user that they can set to *not* be shown on the logged in users list -- doesn't seem like anyone could complain about it if they left it off, but I don't want to risk anything.)
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Matt