This document provides an overview of different digital media sectors and audiences. It discusses sectors like film, video games, music, magazines, television, radio, newspapers, and the web. For each sector it provides examples of production companies or developers. It also covers topics like analog and digital media, production processes, marketing, distribution, exhibition, synergy, convergence, and its impact. The document concludes with sections on audiences, describing different types of audiences and how they interact with and personalize digital media. It also briefly covers two audience theories - the hypodermic needle theory and uses and gratifications theory.