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Evolution of Touch: How We Control Technology

By Cliff Edwards - 2012-03-06T20:47:35Z

Photograph by Bettmann/Corbis

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IBM Selectric Typewriter (1961)

Many will be too young to remember typing classes in school, but the Selectric changed the game with its typeball and carriage mechanism. Users could type faster and with fewer errors because the ball eliminated jams when fingers struck more than one key. The Selectric electric typewriter also provided both a tactile and auditory experience, one that some users miss in today's quiet and mushy keyboards. More than a decade later, a new model featured an internal-correction feature that lessened the need for white-out fluid.