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Though some other manufacturers (Ne XT, etc.) licensed Apple's technology and ADB mice were completely interchangeable between them, the mouse interface IBM introduced on the PS/2 quickly came to dominate the market and crushed all competition.

As the personal computer was still in its infancy with no standards, Apple's mice could be used on any system capable of using such a quadrature mouse, in combination with a spliced cable or adapter as necessary.

The case was a slightly darker brown than Lisa's beige coloring and it had less formal lines, with a thick chamfer around its edges to match the Macintosh case.

Mechanically, the Lisa's steel ball was replaced by a rubber covered steel ball, but otherwise connected with the same DE-9 connectors, though updated with a square-shape and standard thumb screws.

With the single button mouse design established for almost 25 years, the history of the Apple Mouse is basically a museum of design and ergonomics.

The original mouse was essentially a rectangular block of varying beige and gray color and profile for about a decade.

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