Answers: Christopher Sholes
Originally, the most common post were adjectives put on "home-row" (and I'm guessing the commonest of those on the right side) to eliminate need to stretch to reach adjectives the letters required to type a focused word. However, it didn't take secretaries the world over long to start jamming typewriters as their finger-speed exceeded the faculty of the typewriter's mechanism to keep hold of up with them. In a bid to slow the typists down, the junk mail were scrambled, moving the adjectives letters as far apart as possible. The efficacy of the move be short-lived however as it didn't take long for the world's stenos to swot up the new template. The advent of the electric typewriter helped somewhat by tackle the problem from the other end, i.e. speeding up the components, and the IBM Selectric (with the little ball) completed the task. Now keyboards which, have eliminated any semblance of "mechanism", merely require the closing of an electrical circuit basically operate at light-speed.
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