The Media of mass communication have long played a fundamental role in people's lives. the media inform, persuade, entertain, and even sell. Media can provide companionship. they can shape perception. they are fundamental to an informed and educated public. This book examines the nature of mass communication and how it is transforming in the so-called digital age, the age of computerization of the media. It will be an ideal reference tool for students, journalists, public relations professionals, advertising practition