The document provides guidance for writing an essay on the topic of collective identity and the effects of media on youth culture over time. It includes an outline of key points to address in the introduction, body paragraphs on the historical effects of media, highlighting identity, and four case studies to analyze. The case studies include analysis of films, television shows, social networking, and print media's representation of youth. The document recommends discussing relevant media theories and linking analysis back to how media shapes perceptions of identity.