The document discusses collage as an art form made by assembling different materials to create a new whole. It provides examples of collages created by famous artists such as Picasso and Hannah Hoch. The document then discusses the prevalence of advertising in modern society, noting that the average person sees 3,000 ads per day and that nearly 4,000 kids start smoking daily. It presents an assignment to create a mock billboard using collage with the goal of communicating a personally meaningful message to the world.