Cory Doctorow has a good introduction to a very good article that describes the importance of software piracy for data preservation purposes.
A PC World editorial by Benj Edwards recounts the history of “copy protection*” for software, and discusses how the cracks-scene, which busted open these software locks, is the only reason the legacy of old software is available today. There’s a trite story about the persistence of paper and the ephemerality of bits, which goes something like this: “We can still read ancient manuscripts, but we can’t read Letraset Ready, Set, Go! files from the 1980s.”
Software pirates promote data survival through ubiquity and media independence. Like an ant that works as part of a larger system it doesn’t understand, the selfish action of each digital pirate, when taken in aggregate, has created a vast web of redundant data that ensures many digital works will live on.
Or skip to the article directly PCWorld – Why History Needs Software Piracy