1. Apparatus comprising: a display device displaying visual images to a human observer, the display device defining a display area; a microcontroller coupled to the display device; memory devices coupled to the microcontroller and receiving and storing and delivering digitally encoded data used by the microcontroller in executing control programs; and digitally encoded application program data stored in the memory devices and effective upon execution by the microcontroller to drive the display on the display device of a markup language document and associated status and command functions; the application program data and the microcontroller and the display cooperating when the microcontroller is executing the application program data to display at least a portion of the content of a markup language document in the majority of the display area and to display, along one side edge of the display area, browser jump status, document title information, document display status, and a plurality of selected browser command functions.