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Published online by Cambridge University Press: 10 November 2010
A trade can be of two types depending on the observation skills of its workers: deception managers or truth revealers. The first group is composed of spies, con artists and negotiators: all of them try to show what is not while ambiguously hiding what really is. Artists mainly define the second group: for them, an artistic product only works when it opens up the reality it aims to describe. Art is or is not. There is no middle ground: period.