Abstraction today is no longer that of the map, the double, the mirror or the concept. Simulation is no longer that of a territory, a referential being or a substance. It is the generation by models of a real without origin or reality: a hyperreal. The territory no longer precedes the map, nor survives it. Henceforth, it is the map that precedes the territory – precession of simulacra – it is the map that engenders the territory and if we were to revive the fable today, it would be the territory whose shreds are slowly rotting across the map. It is the real, and not the map, whose vestiges subsist here and there, in the deserts which are no longer those of the Empire, but our own. The desert of the real itself. ..
(excerpted from Simulacra and Simulations)

the lost universe of appearances has not given way to an objective world – the world relieved from truth and appearances becomes a fable. But at first I would come to the second hypothesis, that of a gigantic countertransfer, a negative counter-transfer, which is quite simply the fall, the collapse of the world into reality. Once the world of truth is lost, together with the world of appearances, the universe becomes a real one. It falls into reality in a kind of telescopic collapse. It falls into reality as a rest, as a residue, as a definitive reduction and deconstruction of the enchanted world of illusion – as a sort of final solution . Reality as a product of the universal process of entropy. … read on)