This document provides an overview of audience theory, including key theorists and concepts. It discusses primary, secondary and tertiary media; passive and active audiences; and effects versus uses and gratifications models. Key theorists mentioned include Katz & Bulmer, Morley, Hall, Ang, and Katz & Lazerfield. Central concepts covered include encoding/decoding, cultivation analysis, situated culture, and moral panics. The document also references studies by Morley, Ang, and Buckingham and evaluates whether older audience models still apply given changes in media forms and technologies.