As a part of the Web 2.0 updates we are trying to move forward with we come to the toolbar now at the bottom of your screen.  It is from http://wibiya.com  and here is here to stay unless you say so.  You don't like it; Let us know.  Your feedback is valuable.  Though, we feel it might be a neat way to add a good chat to the bottom of the screen for collaboration and more.