This document discusses genre and representation in media. It begins by recapping the concept of genre, noting that genres must balance familiarity and difference to engage audiences. It then discusses the science fiction genre and some of its typical conventions, such as themes of aliens/humans coexisting and new technologies. The document also discusses documentary conventions. It analyzes the film District 9 as an example that pays homage to science fiction genre conventions while also addressing issues of representation and postmodern film theory.