“He broke off, and she fancied that he looked sad. She could not be sure, for the Machine did not transmit nuances of expression. It only gave a general idea of people – an idea that was good enough for all practical purposes, Vashti thought. The imponderable bloom, declared by a discredited philosophy to be the actual essence of intercourse, was rightly ignored by the Machine, just as the imponderable bloom of the grape was ignored by the manufacturers of artificial fruit. Something ‘good enough’ had long since been accepted by our race.”

(E. M. Forster, “The Machine Stops,” pp. 5–6 in Fairy Tales for Computers, The Eakins Press, 1969.)