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The use of technology in communication may be considered about 30,000 years BCE. -
Among the symbols used, there are cave paintings, petroglyphs, pictograms and ideograms. -
Some scholars point to a character in Babylonian cuneiform that may have been derived from a representation of the abacus.
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The span of recorded history is roughly 5,000 years, beginning with the Sumerian cuneiform script, with the oldest coherent texts from about 2600 BC. -
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Paper made in China -
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Edison Patents Mimeograph -
Overhead projectors were introduced into U.S. military training during World War II as early as 1940 and were quickly being taken up by tertiary educators -
The Information Age (also known as the Computer Age, Digital Age, or New Media Age) is a historical period that began in the mid-20th century.
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As we entered the age of communication, tools such as the television projector, which were invented before, were much more developed. -