From the NYT: Surface Navigation Help for Subway Riders . This is a brilliant aid to the urban interface, put a decal (or a more permanent marker) on the sidewalk so subway riders emerging from the subterranean depths of Gotham can quickly ascertain where they are. Frankly, we should use the sidewalks for this kind of information more often, especially mid-block. It particularly helps those looking down to avoid making eye-contact.
How can you tell an extroverted engineer? He is the one looking at the other person’s shoes