Writing in the Library of Congress digital preservation blog, Leslie Johnston poses an interesting question: "If I wanted to create a digital time capsule, how would I ensure that it is usable in twenty or fifty or more years?"
The article then goes on at some length: "What about CDs and DVDs? Even if you include all the software needed to install and run the programs that can display your files, will there be CD and DVD drives? Both are well-documented, long-lived media formats, so saving one copy of all your files and software on this sort of media as part of a time capsule is not a bad solution."
There is a lot more information available at http://goo.gl/6lqN9.
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