19. The machine-readable medium of claim 15 , further comprising saving one or more settings of the GUI in response to an action by the user.
19. The machine-readable medium of claim 15 , further comprising saving one or more settings of the GUI in response to an action by the user. 20. The machine-readable medium of claim 19 , further comprising displaying a saved setting of the GUI, in response to an action by the user, and receiving further modifications of the saved setting.