Cialdini raamat
the area between fronts and surprised a lone enemy soldier in his trench. The un-
suspecting soldier, who had been eating at the time, was easily disarmed. The
frightened captive, with only a piece of bread in his hand, then performed what
may have been the most important act of his life. He gave his enemy some of the
bread. So affected was the German by this gift that he could not complete his mis-
sion. He turned from his benefactor and recrossed the no-man's-land empty-
handed to face the wrath of his superiors. More bizarre still is the more recent case
of an armed robber who crashed a Washington, DC, dinner party-waving a gun
and demanding money-but who changed his mind, apologized, and left upon
being offered some of the remaining wine and cheese (Guess who's coming to din-
ner, 2007).
An equally compelling point regarding the power of reciprocity comes from an