This document discusses graffiti and street art. It provides context that graffiti emerged from hip hop culture in the late 1970s and early 1980s, drawing from icons of that era. It references artists like Keith Haring, Jean-Michel Basquiat, Banksy, and Shepard Fairey. The document also discusses how graffiti disrupts corporate and governmental control of the urban environment and interrupts uniform urban spaces. It provides cross-cultural references to fashion, toys, publications and more.