We thought the rider fell off or something and it was going to crash. Then it turned and kept mowing. Park Roomba!
Another picture:
It’s too bad that the first things to be automated are the tasks that people don’t mind doing, leaving the real shitty tasks to be done by people. Riding around on a lawnmower has to be one of the most enjoyable forms of manual labour. Now the robots get the good jobs and we’re left with the backbreaking monotonous bullshit.