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Chalkboards were first introduced to schools
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Thomas Edison predicited "thanks to the invention of projected images, books will soon be obsolete in schools"
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Over head projectors were first used by the military and quickly moved to being used in school systems
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This is a machine that is used to make copies by using a hand crank system
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Educational TV programs are first introduced in calssrooms
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The first version of a hand held calculator is introduced in the schools
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The scantron was a way for teachers to grade multiple choice tests more efficently.
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The Personal Computer is brought into the classrooms to help aid in education
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The interactive white boards are first introduced, although there popularity comes much later
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According to the NCES about 99% of american public schools have access to the internet
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Apple I-Pads are being used in the classrooms to aid in education.