A very rare piece of computer history is up for grabs at RR Auctions. The early three-button "X-Y" mouse, designed by computer pioneer Douglas Engelbart, is the direct ancestor of today's ubiquitous ...

Fujitsu FMV Mouse X features contactless electromagnetic buttons, 8,000 CPI sensitivity, tri-mode connectivity, and up to 70 ...

There are generally two buttons on every mouse. The left button is the primary button, which selects the object at the screen cursor (click the mouse) or is held down (drag and drop). The right button ...