The document discusses the history of media and entertainment from the late 19th century to present day. It traces the evolution from live and participatory entertainment to broadcast one-to-many media like radio and television. The advent of recording technologies in the late 19th/early 20th century began shifting entertainment from a participatory activity to a consumer one. The document then covers the rise of broadcast television and how it became a dominant form of entertainment and information. It discusses how the internet and digital technologies disrupted traditional broadcast models and allowed content to escape traditional forms of distribution. This led to new peer-to-peer and user generated forms of media as well as new business models.