This document provides an overview of topics related to media in the online age, including: the historical development of online media and how the internet has transformed media production and audiences; debates around the future of media; and concepts from cultural theorists like Marx, Gramsci, and Chomsky regarding media control and cultural hegemony. It discusses the media's role as the "Fourth Estate" and Chomsky's view that people are meant to remain isolated spectators rather than organized participants in politics.