"“There’s always a group of humans sitting somewhere—usually in a windowless room, just doing a bunch of point-and-click: ‘Yes, that is an object or not an object,’” explains Matt Beane, an assistant professor in the technology management program at the University of California, Santa Barbara, who studies the human work behind robotics." https://www.technologyreview.com/2022/12/19/1065306/roomba-irobot-robot-vacuums-artificial-intelligence-training-data-privacy