The document discusses several key concepts relating to media in the online age:
- It outlines the theory of "the long tail" developed by Chris Anderson, which describes how the internet has changed economics by allowing niche products and markets to flourish.
- It also discusses the theory of "Wikinomics" developed by Don Tapscott and Anthony Williams, which centers around ideas like peer production, free sharing of content, and democratization of media through user-generated content online.
- Examples of new forms of online media discussed include internet TV services like the BBC iPlayer, as well as the rise of user-driven websites and platforms characterized as "Web 2.0."