1. A method of operating a touch screen, said method comprising: detecting an object interaction with said touch screen while in a first doze mode; determining if a detected object interaction with said touch screen is a valid input object interaction with said touch screen; and in response to determining said object interaction is a valid input object interaction: transitioning from said first doze mode to a gesture recognition mode; and transitioning from said gesture recognition mode to an active mode in response to a determination of a valid gesture interaction by said object with said touch screen.