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The British Broadcasting Corporation (BBC) began broadcasting educational radio programs for schools in the 1922.
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The first adult education radio broadcast from the BBC in 1924.
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Television was first used in education in the 1960s, for schools and for general adult education.
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In 1969, British government established the Open University.
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The use of television for education quickly spread around the world, being seen in the 1970s.
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Satellite broadcasting started to become available in the 1980s.
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India, which had launched its own satellite, INSAT, in 1983, used it initially for delivering locally produced educational television programs throughout the country.
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The Massachusetts Institute of Technology (MIT) started making its recorded lectures available to the public, free of charge, via its OpenCourseWare project, in 2002.
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YouTube started in 2005.
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The Khan Academy started using YouTube in 2006 for recorded voice-over lectures using a digital blackboard for equations and illustrations.
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The references
https://opentextbc.ca/teachinginadigitalage/chapter/section-8-1-a-short-history-of-educational-technology/
https://www.bbc.com › timelines
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