She realizes halfway down that her blue-and-orange coverall, fly as it may be, is going to be a real attention getter in the middle of the night in the Falabala zone, so she reaches up to her collar, feels a hard disk sewn into the fabric, presses it between thumb and finger until it clicks. Her coverall darkens, the colors shimmer through the electropigment like an oil slick, and then it's black.