For the first time in six or seven thousand years, many people of goodwill find themselves confused about art. They want to enjoy it because enjoying art is something they expect of themselves as civilized persons, but they're unsure how to do so. They aren't even sure which of the visible objects are art and which are furniture, clothes, hors d'oeuvres, or construction rubble, and whether a pile of dead and decomposing rats is deliberate art or just another pile of decomposing rats.