UPDATE
Amazing what you can accomplish when you actually FOLLOW INSTRUCTIONS ... ;) This actually does work, and I can use the URL I want to, after all ...
In my case, I was trying to add another item to an existing menu, despite the article stating that a new menu would be best.
(ORIGINAL POST):
Likely you've found this already (?)
www.blogcatalog.com/blog/joomlabeaconnet-joomla-tutorials-kn...
I am also trying to create an article/page that exists, but is not necessarily obvious ... :) The article above "works" - my issue is that I want to use a SEF "friendly" URL for the "hidden page", and I'm not seeing how I can manage this - although I have NOT yet attempted reviewing the rewrite rules for the webserver just yet ...