Today, most people take typing for granted. Rarely accounted for, the arrangement of letters provides a quicker and more efficient method to type. Originating in 1875, the QWERTY keyboard---the type that dominates the computer industry---was arranged so that letters that were common were not extremely close together, serving a couple of beneficial purposes. U.S. patent number 207,559 has several advantages which have led to its continued use.
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Although not a concern to many people, antique typewriters originally had the problem of jamming. This occurred when two letters that are close together were pressed in too quickly which caused them to bang together, usually jamming the machine. If the letters jammed too hard, it could even break the machine. This made original typewriters much less practical due to the amount of care that had to be taken to prevent letters from clashing. To prevent the issue, the QWERTY keyboard arranges the keys that were most commonly struck away from each other, preventing them from clashing and jamming.
Original typewriters---which were first patented in 1868---were known as "ABC" typewriters, where each letter was in alphabetical order. The downside to the typewriter was that it had to be used at a relatively slow pace. The reason was that too quick a pace could cause keys to jam. The QWERTY typewriter---which serves to prevent the problem of jamming---allowed typists to type quickly at a much greater pace.
The world over---at least in areas that speak the English language---QWERTY keyboards are the standard. Since their invention over 130 years ago, QWERTY keyboards have evolved. As typewriter technology advanced, so did the QWERTY keyboard. During the latter half of the 20th century as the advent of computers occurred, the spread of QWERTY keyboards once again occurred. Although the QWERTY method always dominated over any potential competitive inventions, its dominant use with the spread of computers---which almost every English speaking man, woman and child learns to type on in school---was sealed. Today, even many mobile devices utilise the QWERTY method.
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