The document discusses the history and perspectives of graffiti and street art. It notes that graffiti originated in Philadelphia in the late 1960s started by two artists named Cornbread and Cool Earl. Street art later branched off from graffiti. The document outlines pros and cons of both graffiti and street art from artistic expression to costs of removal to negative influences. It profiles some influential figures in graffiti history like Taki 183 and Shepard Fairey. Facts are given showing most common graffiti targets in the UK.