The SAGE Key Concepts series provide students with accessible and authoritative knowledge of the essential topics in a variety of disciplines. Cross-referenced throughout, the format encourages critical evaluation through understanding. Written by experienced and respected academics, the books are indispensable study aids and guides to comprehension. Key Concepts in Journalism offers a systematic and accessible introduction to the terms, processes, and effects of journalism;a combination of practical considerations with theoretical issues; and further reading suggestions. The authors bring an enormous range of experience in newspaper and broadcast journalism, at national and regional level, as well as their teaching expertise. This book will be essential reading for students in journalism, and an invaluable reference tool for their professional careers.


Broadcasting can lay claim to being the most significant revolution in communication of the twentieth century, along with the invention of the internal combustion engine and the telephone. It changed the relationship between what had been thought of as ‘private’ and what was ‘public’ and brought a new social dimension to communication which is still developing.

But the innovators of the late nineteenth and early twentieth century could not have foreseen the social impact of their early experiments in the recording, playback and transmission of sound and pictures.

The first developments in what came to be called radio – wireless telegraphy and wireless telephony – tried to send messages from one fixed point to another, a feat accomplished by the Italian-born scientist Guglielmo Marconi in 1901. ...

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