Provides an introduction to the discipline and a number of different approaches to studying communication. Focuses on the processes, characteristics, relationships, and forms of communication.
Provides descriptions of the theories that explain numerous aspects of communication and present the background issues and concepts that comprise these theories.
Reference work in the field of new media, covering topics such as broadband, content filtering, cyberculture, cyberethics, digital divide, freenet, MP3, privacy, telemedicine, viruses, and wireless networks.
Examines the variety of formats and experiences that comprise social movement media. Thematic essays address selected issues such as human rights media, indigenous peoples' media, and environmentalist media, and on key concepts widely used in the field such as alternative media, citizens' media, and community media.
Covers major theoretical approaches to the field of political communication, including direct and limited effects theories, agenda-setting theories, sociological theories, framing and priming theories, and other past and present conceptualizations.
Detailed etymologies of words comprising the English language. This online version of the venerable OED is a work in progress; hundreds of new entries are added yearly.