CHICAGO ââ?¬â?? Anyone who has traveled to London and taken the ââ?¬Å?tubeââ?¬Â (the subway for New Yorkers or the ââ?¬Å?Lââ?¬Â for Chicagoans) is constantly besieged by tape loops of ââ?¬Å?mind the gap,ââ?¬Â which is a warning for the dark hole or space between the subway car and the concrete waiting area as one gets on or off the tube.
Office of Strategic Communication