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  Paper was invented in 105 AD in china and it was used for communication and keeping records.
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  The first printed weekly newspaper was created in Antwerp Belgium and was called "Relation"
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  Germany had the first literary/ philosophy magazine in 1663, the first general interest magazine was created in 1731 in London (the gentleman's magazine)
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  Billboards began as circus posters in New York and then became the first out door advertising platform and were used near railways.
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  The US had dual system radio broadcasts: state sponsored and commercial stations.
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  They began experimenting with Television broadcasts in 1930 and then opened NBC Rockefeller in 1939
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  An online newspaper created by Bruce Parrello in 1974 on the PLATO system at the University of Illinois. It became more popular in the late 1990's.
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  The first recognizable social media site, Six Degrees, was created in 1997