Agreed. If the thread changes subject, you won't know unless the
subject does too. On other lists I'm on this is often done by putting
part of the original subject line in parentheses after a "was" eg:

Subject: Nasal hairs (Was: Change the subject line please....)

>Hello,
>
>A friend sent me a message a few days ago and did not change the subject
>line (he used one which many other people used to reply another message).
>So, I did not read his message...
>I don't know about you all, but I use this particular e-mail only to conch-l
>and a few other private messages, so I don't really read all messages unless
>it contains something that attracts my attention.
>It would be a good idea if any of you wishes to send a message directly to
>someone in the list, to put his name on the beginning of the subject line,
>like
>
>"Marcus RE: Change the subject line please..."
>
>Of course it is just a mere suggestion, but I think it would save some time.
>
>Marcus
>
>_________________________________________________________________
>Tenha você também um MSN Hotmail, o maior webmail do mundo:
>http://www.hotmail.com/br