Another early visionary of interactive computing was Douglas Engelbart (born 1925), who read Vannevar Bush’s article "As We May Think” when it was published in 1945 and five years later began a lifetime of work developing new ideas in computer interfaces. In the mid-1960s, while at the Sanford Research Institute, Engelbart completely rethought input devices and came up with a five-pronged keyboard for entering commands (which never caught on) and a smaller device with wheels and a button that he called a mouse. The mouse is now almost universally accepted for moving a pointer around the screen
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