Trackballs used to be a far more common alternative to conventional computer mice, but they’ve all but disappeared lately.

Kensington may be planning to launch a new version of its Expert Mouse wireless trackball that keeps many of the features of the current model, while adding a few bells and whistles that could make ...

Kensington’s design shows a wireless trackball mouse with a large ball in the center that you can move to manipulate an ...

Evolution of computer mice from trackball to optical, translating hand movements into on-screen interactions with precision.