One of the major challenges of preserving digital content is the obsolescence of media on which it is stored. Although the media may be able to physically survive for hundreds of years, the technology to read and interpret it may exist for only a brief time. We have gathered samples of storage media in various stages of obsolescence, from the extinct to the merely at-risk.
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Click on an image for a closer look at the media's approximate dates in use, storage capacity, and some background information.