The feedback document provides guidance on improving exam essays about postmodernism. It recommends sticking closely to the essay question, fully explaining case studies using at least two media platforms, discussing at least two postmodern theories like Baudrillard's hyperreality and Foucault's panopticism, and making comparisons between case studies. The document outlines two essay structures - by postmodern feature or by case study - and emphasizes using PEAL paragraphs with a Point, Evidence, Analysis, and Link to the question. Finally, it stresses thoroughly revising work to ensure clarity and preparation.