A palmtop computer system that incorporates mechanical buttons that combine the task of turning the palmtop computer system on and starting a particular application program. Furthermore, the same mechanical button can be used to navigate the application program to find the information that is most likely...http://www.google.com/patents/US20030046528?utm_source=gb-gplus-sharePatent US20030046528 - Method and apparatus for interacting with a portable computer system
