Cialdini raamat
to the electronic age. In fact, the heavy-handed exploitation of the principle of so-
cial proof can be traced through the history of grand opera, one of our most ven-
erable art forms. This is the phenomenon called claquing, said to have begun in
1820 by a pair of Paris opera-house habitues named Sauton and Porcher. The men
were more than opera-goers, though. They were businessmen whose product was
applause.
Organizing under the title L'Assurance des Sucd~s Dramatiques, they leased
themselves and their employees to singers and opera managers who wished to be
assured of an appreciative audience response. So effective were Sauton and Porcher
in stimulating genuine audience reaction with their rigged reactions that, before
long, claques (usually consisting of a leader-chef de claque-and several individual
claqueurs) had become an established and persistent tradition throughout the world
of opera