Kensington trackball

Raised as a usability problem by 5 people on Hacker News over 6 years (2021–2026), in 4 threads.

People raised many different problems with Kensington trackball, but no single problem has yet been raised by 3 people in 3 different months and threads.

Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.

The newest 5 complaints

Client software is bloated and buggy2026-10-23
Trackball button placement is awkward and there are too few buttons2023-12-09
Switching between three paired devices is a little too delayed2023-08-08
Causes hand fatigue and hard-to-press buttons; precision cursor movement is difficult2021-08-24
Large flat button is difficult to press for some users2021-08-24