Going through private papers   Paper was used to remember facts. A first driver’s licence, dropped into a shoe box for keeping. Some things you need to be able to put your hand on, and anyway they might be interesting one day to you, or a descendant. Some old exam papers, of no earthly use to anybody now, kept for fear of offending the markers, who would never know or care. A slip to prove you’d registered for National Service and another one to prove you hadn’t been “called up”. School report cards that said you’d sat up straight. Some…