Each human sits on a contraption that can move the human in front of the desired cabinet, within some subrange of the overall storage unit. These crazy elevato

Each human sits on a contraption that can move the human in front of the desired cabinet, within some subrange of the overall storage unit. These crazy elevator things must be able to move left and right to some degree as well as up and down, right? It seems crazy that this solution would achieve a faster seek time than some sort of conveyor belt moving a human just left and right in front of a normal height stack.