usenet about to die?

[FoulDragon at aol.com]

In a message dated 11/23/2005 12:08:45 PM US Mountain Standard Time, 
bill at billjonas.com writes:

>We already have this -- Message-ID: and References:.  What Usenet client
>are you using that doesn't show threading?  AFAIK, it's much more
>popular in Usenet clients than it is in mail clients.

I meant beyond threading. most web-forums also categorise messages into 
topical sub-forums, which could be emulated in this way.