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The ecology of longevity: the relevance of evolutionary theory for digital preservation

Software and data can be considered as digital organisms that function in a "digital ecosystem" of computers. The concept of ecology has been borrowed from biology by other disciplines for explaining or describing a variety of phenomena. In some cases ecology and other concepts from evolutionary theory are only used as metaphors; in other cases attempts have been made to apply an adapted version of the theory to the evolution of non-biological phenomena.