Not sure how it is with other firewalls, but, if you're running Norton's version, if the Ad Blocking option is selected, the link for the web site won't appear when you view DSAddict's post.
The reason may have to do with the fact that the word PROMOS appears in the URL. Norton will block links that contain words like ad, promo, banners, etc. because it suspects they are advertisements.
Learned this the hard way when I set up a web site over the summer and put the page banner/title graphics in a folder called banners. They wouldn't load for Norton Internet Security users.
