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The first book to be dated and printed in China in 868 AD although books were printed earlier but there is no telling hw early
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Movable clay type was also invented in chinia in 1041
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The printing press was created in the 15th century creating mass media on a very large scale
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No Tv no radios news paper then had little to no competition with technology
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in the 1920s the tv, radio, and video were introduced
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The radio was the most common form of media during and after WW2 so that families and friends would know whats going on right then instead of the next day
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In the 1950s TV was the dominate way to find out information thus leading the radio and printed media to compete against it
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satellite telstar 1 was followed into space by other satellites thus being able to transmit reports from all over the world
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the growrh of media in the 80s was huge involving tvs and cable companies
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in may 1994 stats show 98% of americans had atleast 1 tv in their home
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most technolgy spread greatly through the 20th century