https://www.siliconvalley.com/2021/09/10/how-roomba-tackled-spectacularly-bad-problem-poop-smeared-all-over-the-house/ > (CNN) — In November 2014, Chantelle Darby awoke to an excrement-fueled nightmare. > Her Roomba robot vacuum was set to run in the middle of the night, while she, her husband, and their dogs were asleep. But one of the three dogs — a foster pooch named MacGregor — pooped in the house at around the same time. When Darby got up in the morning, there was poop smeared throughout most of her home.