How Long Until a Robot Wins a Pulitzer?

During my commute the other day, I ended up on a dark subway car. The train still had power--the air conditioning was on, the announcements were coming through--but all the lights were dead. I live near an above-ground stop, so at first there was morning sunshine coming in through the windows. But when the train went underground, we were plunged into complete darkness. I found myself suddenly in a sea of floating, ghostly faces, illuminated by the glow of smartphones.