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  One-room schoolhouses used these materials in the 1700 and 1800s to teach students how to write and cipher.
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  Wall Charts
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  With the introduction of kindergarten, children were given models to manipulate and learn from.
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  Montessori's kinesthetic approach offered a variety of manipulatives for student learning.
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  New York City public schools implemented films for instruction for the first time.
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  The Ohio "School of the Air" broadcast instruction to homes.
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  Films, sound, graphics, models, and print to help prepare recruits for war.
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  The Public Broadcasting Act established the Public Broadcasting System and National Educational Radio.
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  The first microcomputer , the Apple, was created by Steve Wozniak and Steve Jobs.
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  The Internet was created by Tim Berners-Lee and became available to the public.
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  Cell phones, PDAs, tablets
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  "Live" audio and video, allowing for instruction anytime, anywhere