A cooperative conversational voice user interface is provided. This invention also provides a system for screening DNA for a designated genetic sequence. This reduction is achieved by the introduction of T-jogs and additional vias. This reconfiguring is performed in a manner that essentially maintains the desired decoupling capacitance. The process and apparatus for filling the two-compartment container comprises filling one compartment with material through an opening at one end of the container; sealing the opening; rotating the container; filling the other compartment with material through an opening at the other end of the container; and sealing the other opening preferably with a removable seal. In one example embodiment, a camera user sweeps the camera across the scene to be photographed, at least two measurements of scene portion brightness are made during the sweep, the brightness measurements are combined, and camera exposure settings are chosen based on the combination.