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  Charles Babbage invented the first computer, called the Difference Engine.
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  The first electric comuter was develoed for the british code breakers in world war 2.
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  The mouse was invented by Douglas Engelbart in 1964 and consisted of a wooden shell, circuit board and two metal wheels that came into contact with the surface it was being used on.
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  The first email was sent by Ray Tomlinson.
It was made for the US defence deartment. - 
  
  Facebook was founded on February 4, 2004, by Mark Zuckerberg with his college roommates and fellow Harvard University
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  the bed monitors their sleeping patterns, can alert parents if they get out of bed during the night, can have its lights turned on and off remotely, and even includes a “monster detector” to ease young minds’ night-time fears.