The installation, video art, performance, frameless paintings or sculptures without pedestal, the disappearance of the criterion of beauty and the depersonalization of works, the new criteria of admission and the speed of recognition, the priority given to originality and play with the limits of art, the diversity of materials and the intentional fragility of some proposals , the weight of the explanations and the importance of fairs and biennials, the rise of the art market and public museums: all of these are some of the many characteristics of contemporary art that shape a world that is extremely coherent, and radically different from the art forms previously known.