If you have no idea what it is, head over to Tim Ferriss's blog and see it in action: Code: http://www.fourhourworkweek.com/blog/ It's a header bar that's non-intrusive but still catches the visitor's attention. Put anything in there to build your list, show an RSS feed, increase signups etc. After you signup with your email (click request invite), enter the following beta key to activate the account: Code: diythemes I don't know how many activations it gets, so try it now!! Worked when I just did it a few mins ago. It's niiiiiiice.