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Personal Computer Invented 1981 by Don Estridge
The PC has made sending messages easy and instant. The PC has also made homework much more accessible. -
Lotus 1-2-3 Invented 1982 by Mitch Kapor
It was a spreadsheet program that paved the way for Microsoft Excel. -
CD Rom Invented 1983 by James Russell
Made downloading music and expanding an individual's library simple. -
Nintendo NES Invented 1985 by Uemura Masayuki
It allowed people to develop skills through playing a game. -
Mathematica Invented 1989 by Stephen Wolfram
Mathematica was a complete ecosystem for computing that allowed symbolic entry of mathematical functions and equations.