The document provides an overview of the major art movements in the 20th century. It discusses how modern art reflected the changing times with cameras making realistic art obsolete and mass production making art marketable. Artists valued originality over beauty and would shock audiences if they couldn't please them. Key movements discussed include Fauvism, Cubism, Surrealism, Abstract Expressionism, Pop Art, and Post-Modernism. Major artists from each movement like Picasso, Kandinsky, Pollock, and Warhol are also mentioned.