Customer self service electronic checkout stations for point of sale; Checkstands for retail stores in the nature of electronic checkout stations for point of sale; Point-of-sale terminals; Point-of-sale (POS) terminals; Wireless POS (point of service) devices; Electronic point-of-sale (POS) systems comprised primarily of point-of-sale terminals, bar code readers, touchscreen monitors, keyboards, document printers, scanners, and recorded operating software; Humanoid robots with artificial int...