Computers are fragile, but they are copyable. Quite easily and exactly copieable. Consider how books written 1000 years ago still survive today. They were dili

Computers are fragile, but they are copyable. Quite easily and exactly copieable. Consider how books written 1000 years ago still survive today. They were diligently copied. Now compare the effort (and accuracy) of such book copying to computer copying. Next Consider error correction and error detection that is trivially built in to digital data. Nothing physical is permanent, but with just a little upkeep, information can live indefinitely.