If you take a peek right above here you'll see some links that look like this HOME» Link breadcrumbs.

 

These links show you where you are and which pages you clicked on to get here. As it is, the Link breadcrumbs page is only one level off of the home page so there's only one link.

 

Usability experts say that most web surfers use them instead of the navigation menu.

Experts like Jakob Nielsen.

 

This is an optional feature.