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Ray Tomlinson sent the first email in 1971. He cannot remember what he said in the email.
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In 1972 Hamilton released the first commercial digital wristwatch. It was first priced at $2100. However by the end of the 70"s they were available for under $10.
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The floppy disk was used to store computer memory. It was invented by IBM in 1973.
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The first digital camera weighted 80 pounds and was invented by Eastman Kodak and Steve Sasson.
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In 1979 Sony came out with the Walkman which revolutionized portable music players.
