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A sophont who aspires to attain physical immortality through indefinite perpetuation of a biological, technological or cyborg body, or software equivalent. This involves various preservation and renewal measures, including intelligence modification such as life-memory archiving. Most immortalists end up losing their personal identity after a few thousand years at most.

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Development Notes
Text by M. Alan Kazlev; amended by Stephen Inniss
Initially published on 10 November 2001.