. . . . "The host computer system 204 can include a number of modules, including a graphical user interface 208, one or more application programming interfaces 210, one or more servers 218, as well as various computer system elements, such as an operating system (such as a Windows???, Linux???, Unix???, or MacIntosh??? operating system), a keyboard, mouse, joystick, trackball, pointer, or other input devic" .