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1979 Technology & Gadgets
 The Sony Walkman - A welcome death blow to the obnoxious ghetto blaster as we turn ever inward. The device was built in 1978 by audio division It was invented by Nobutoshi Kihara as a perk for then Sony co-chairman Akio Morita who wanted to listen to opera during his many trans Pacific trips. It cost a hefty $200 at the time. The Walkman story.
Voyager I photo enters the Jovian system and takes pictures of Jupiter and its moons Io, Europa, Ganymede and Callisto. Voyager also discovered faint rings about the gas giant. Voyager Photos.
VisiCalc - The first spreadsheet computer application is credited for making the computer into a serious business tool. Invented by Dan Bricklin and Bob Frankston it was written for the Apple II but soon was available for the PET, the Atari and the IBM PC. Visicalc.
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The 3 3/4"
