A new feature we've recently added to BookAShowing.com is displaying the number of incoming tentative showing requests in your browser's titlebar. This is especially handy for when you minimize your BAS window and are working with another application (like your MLS or email). You can quickly see at a glance if you have any new showings. If you have a new showing, you'll see a number in paranthesis in the title bar: (4).
An example of a minimized window:
Now you can quickly see if you have any new showings without opening BAS or checking your email!