books.google.com - Everything starts out from impossible exchange. The uncertainty of the world lies in the fact that it has no equivalent anywhere; it cannot be exchanged for anything. The uncertainty of thought lies in the fact that it cannot be exchanged either for truth or for reality.Jean Baudrillard's now familiar...http://books.google.com/books/about/Impossible_exchange.html?id=ncNvSQ2CxdQC&utm_source=gb-gplus-shareImpossible exchange