We use cookies to make sure visitors see the same version of the site each time they visit. It would be disorientating to see different versions of the site each time you visited it, or within a user session, so we cookie the user to make sure they see the same layout of the site on each visit.  If you want to try and see different versions on your desktop, clear out your cookies and try refreshing the page.  You can see page layout experiment stat results in the user interface - under the optimize tab:  http://www.ezoic.com/svc/login.php