Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries. Yet much had happened 【21】______ . As was discussed before, it was not 【22】______ the 19th century that the newspaper became the dominant pre-electronic 【23】______ , following in the wake of the pamphlet and the book and in the 【24】______ of the periodical. It was during the same time that the communications revolution 【25】______ up, beginning with transport, the railway, and leading 【26】______ through the telegraph, the telephone, radio, and motion pictures 【27】______ the 20th-century world of the motor car and the air plane. Not everyone sees that process in 【28】______ . It is important to do so. It is generally recognized, 【29】______ , that the introduction of the computer in the early 20th century, 【30】______ by the invention of the integrated circuit during the 1960s, radically changed the process, 【31】______ its impact on the media was not immediately 【32】______ . As time went by, computers became-smaller and more powerful, and they became 'personal' too, as well as 【33】______ , with display becoming sharper and storage 【34】______ increasing. They were thought of, like people, 【35】______ generations, with the distance between generations much 【36】______ . It was within the computer age that the term 'information society' began to be widely used to describe the 【37】______ within which we now live. The communications revolution has 【38】______ both work and leisure and how we think and feel both about place and time, but there have been 【39】______ view about its economic, political, social and cultural implications. 'Benefits' have been weighed 【40】______ 'harmful' outcomes. And generalizations have proved difficult. 【21】