I don't need a watch but I
> am looking to expand my company's online presence through groups and
> blogs. I like the concept of this group just not all the extra posts.

Newsgroups are not for "companies" -- "expanding a company's online
prescence" usually means exactly the inappropriate watch sales offers you
are complaining about --it's called SPAM.

>
> I am going to join, post messages and comments and hope that someone
> gets something out of what I have to say. Maybe my message will not
> get lost.
>
> Jerry

You don't need to "join" anything, just post, and your posts will stand out
as long as they are about the theme of the newsgroup -- nobody reads the
SPAM except dumbass newbies and Google groupies. Get a good newsreader.