This document discusses various media industries and concepts related to media institutions and audiences in the digital age. It covers topics such as convergence across media, case studies of Doctor Who and News Corporation, the changing nature of audiences from passive to active participants, and new forms of user-generated content on platforms like YouTube and MySpace. Key points addressed include how industries are converging as technologies combine and content is distributed across multiple media, and how digital technologies have transformed audiences and their relationships with media institutions.