Mara kept a small pile of tapes in a shoebox under her bed. Sometimes she played them and sometimes she left them, unplayed, in the care of the center. Once, when she was very tired, she watched a clip of a woman smiling into a camera and saying, plainly, to no one and to everyone: "Leave something for the next person." The tape rewound itself and stopped. On the label, beneath a crooked scrawl, someone had written in tiny letters: Xxvidsx-com — story.