Book excerpt: Written in a compelling, journalistic style, this text for the introductory mass media/communication course focuses on the role of technology in the evolution of various media and in the professions of advertising, journalism, and public relations. Central components of the text include the impact of the Internet on the media and the professions, the history of each medium and the professions, and the "demassification" of media. The author also addresses corporate ownership of various media and its effect on individuals and society, as well as the role of the media and the professions in society.