Newslink: This $150 cat toy can teach us a lot about what makes a robot useful

Sometimes it’s obvious why you would want a robot. The Roomba, arguably the most commercially-successful robot in history, vacuums the floor for you. Vacuuming is objectively boring and annoying, so there’s a distinct satisfaction in both delegating away a chore you dislike, plus there’s no guilt that you’re dumping the task on someone else. This success has been mirrored for other domestic tasks like lawn mowing and pool cleaning.

https://qz.com/1454207/this-150-cat-toy-can-teach-us-a-lot-about-what-makes-a-robot-useful/