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Technology is all embracing. It affects almost everything that we do. Our modern life to a great extent is shaped by mass media. Books and printed materials are extremely important forms of communication technology. It is through technology that knowledge has spread throughout the world. Technology has enabled the functioning of computers and computers have developed as networks of electronic global village. The dominance of technology has enabled man to conquer time and space. The development of telegraph allowed information to travel at the speed of electricity and the idea of space was abolished.