I listened to this Radio Diaries podcast this morning. It's about the time a plane crashed into the Empire State Building, how an incidental audio recording of the crash was made, and how it led to someone setting a new world record. The whole story is an interesting bit of history, not only because of the obvious 9/11 comparisons, but because there's actually an audio record of it. We tend to take that for granted in a world where every event could become an animated GIF.