This document discusses media audiences and regulatory bodies. It defines primary and secondary audiences, as well as passive and active audiences. It also outlines several regulatory bodies that govern media in the UK. Additionally, it discusses quantitative and qualitative research methods and how to profile audiences based on demographics, psychographics, consumption patterns, and lifestyle choices. As an example, it provides an audience profile for the PlayStation 4, noting its target demographics, psychographics, consumption patterns, and how it engages an active audience.