Forbes July 19, 2025
Long term digital preservation of data and other digital content faces several challenges. The first is degradation of the recorded information due to physical damage over time or to thermally driven erasure of the data. The second hurdle is obsolescence of the technology (hardware and software) needed to read back the recorded information. The third hurdle is the widespread destruction or alteration of information (intentional or not), which has occurred several times in human history, and which is likely to occur again.
The first and second challenges are generally met by making multiple copies of data, ideally in multiple places, or migrating the data to new media when the old media is close to becoming obsolete or close to losing...
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