Button Bar Plus 2.0 - increases the functionality of the MessagePad ButtonBar, letting you add multiple sets, shrink icons, and position the button bar on any edge of the Newton Screen.  Button Bar Plus adds to the functionality of the built-in Button Bar of the Newton MessagePad 2000/2100, letting you shrink icons, control system functions, and have multiple icon sets. Button Bar Plus also allows you to define multiple icon sets, and to quickly change what apears in your Button bar.