The first Microsoft Mouse was sold in May 1983 ... It didn't take long for the older trackball mice products sold by other companies to quietly become obsolete and no longer sold.

When we first heard about a mouse, we weren’t convinced ... There are several solutions for that, but the oldest one is probably the trackball. Ploopy is an open source trackball you can ...

But we here at Hackaday don’t judge based on alternate input lifestyles, and we quite like this billiard ball trackball mouse. A trackball aficionado, [Adam Haile] spotted a billiard ball ...

The Microsoft™ 2-button mouse and the Logitech™ 3-button ... Some of these devices may also utilize a trackball. Mouse Keypad Small keypad module with keys to control cursor movement. Head Tracking ...