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Learning Curve
May 14, 2014
1996: Internet.
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May 14, 2014
1989: Channel One.
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May 14, 2014
1980: Personal Computers.
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May 14, 2014
1972: Scantron.
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May 14, 2014
1970: Handheld Calculator.
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May 14, 2014
1965: Filmstrip Viewer.
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May 14, 2014
1956: Liquid Paper.
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May 14, 2014
1958: Television.
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May 14, 2014
1957: Skinner Teaching Machine.
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May 14, 2014
1950: Language Lab.
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Learning Curve
