Forty-odd years ago, I worked for a company that had a lot of files stored on punched tape. One day a fire broke out a couple of floors below it, and by the tim

Forty-odd years ago, I worked for a company that had a lot of files stored on punched tape. One day a fire broke out a couple of floors below it, and by the time the fire was out, the punched tapes were thoroughly soaked. Those who needed the files had quite a time getting them read and re-created.