The second-system effect (also known as second-system syndrome) is the tendency of small, elegant, and successful systems to have elephantine, feature-laden monstrosities as their successors due to inflated expectations.
^Brooks, Jr., Frederick P. (December 2006) . "The Second-System Effect". The Mythical Man-Month: essays on software engineering (Anniversary ed.). Addison Wesley Longman. p. 53. ISBN0-201-83595-9.