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Technology Time Line. Ashlyn Brennan & Leslie Saucedo. 45,000 BC ,Neanderthal man carves a picture on a woolly mammoth tooth. 1972, first emails.
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Technology Time Line Ashlyn Brennan & Leslie Saucedo
45,000 BC ,Neanderthal man carves a picture on a woolly mammoth tooth. 1972, first emails.