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From 1900-1909 The average teacher's salary in America was $325 per year.
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1800 to 1955 defined the industrial age, but our timeline starts at 1900. The agricultural age was the first wave starting at the end of the hunting and gathering age and giving way to the industrial age.
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Business and corporate philosophies by decade
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Important theories of learning and instruction by decade
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Events that determined the thinking of each decade
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Key advances and innovations for each decade
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As we depend less and less on the earth, agricultural age into industrial age, we find that we are still at her mercy. Can we make man-made technologies to defeat even Mother Nature?
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[Read NY Times article from Black Thursday (pdf file)](graphics8.nytimes.com/packages/pdf/.../black-thursday-10-24-1929.pdf)
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The information age came about around 1955 and is quickly making way for the fourth wave.
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[A memorial website](philippine earthquake 1990)
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[View footage of the damage](philippine earthquake 1990)
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I project a fourth wave will peak around 2015, the independent age, where students will learn from home and parents will work from home and families will shop, spend, and trade from home..All via the computer with Internet access.