In opposition to the flexible technologies of demand that accompany most logistical calls to action, the Bat-Signal’s blunt simplicity can be directed only to one fixed and singular purpose. Of all the various mechanisms for unleashing the crime-fighting potential of the caped crusader (including the rather more mundane, but daytime friendly, Bat Phone), none offers the iconic instantaneity of this illuminating symbol of justice within the darkness of Gotham City.
