Jason Orendorff, Nashville hack day, 11 August 2012 If you ever want to screw over a library, just walk up to any shelf, pick up any book, and put it on another shelf where it doesn’t belong. Eventually a librarian will stumble across it, see that it’s out of place, and pull it off the shelf. Until then, that book is hopelessly lost. It might as well be on the surface of the moon. Finding a needle