Described is a bio-inspired vision system for attention and object segmentation capable of computing attention for a natural scene, attending to regions in a scene in their rank of saliency, and extracting the boundary of an attended proto-object based on feature contours to segment the attended object. The closure is of the press-on, twist-off type and includes a panel portion and a skirt portion that together define a generally cylindrical interior recess. If desired, both locations may have designed in offsets of the same magnitude but in opposite directions. The request transmitting unit transmits the HTTP request. An expert having individualized knowledge regarding a seeker’s request is located by filtering the pre-selected and seeker selected inquiry criteria and values.