Those "desktop replacement" notebooks are not quite the same.
"When you look at the design, laptops were never (meant) as a replacement for a desktop computer," said Alan Hedge, director of the Human Factors and Ergonomics Laboratory at Cornell University. "The idea was portability for occasional use. It was never intended to be a machine you would work at for eight hours a day, 52 weeks a year."
More than 9,200 nongovernment workers reported missing a day or more of work because of typing and keyboarding-related injuries in 2003, according to figures from the U.S. Bureau of Labor Statistics. Ninety-two percent of those cases were associated with worker motion or position, the bureau said. More than a third those workers missed over a month of work because of their injuries.
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