Brand recognition. About two or three years ago my old robot vacuum was finally dying and I did a lot of on and off searching for what was out there. When I st

Brand recognition. About two or three years ago my old robot vacuum was finally dying and I did a lot of on and off searching for what was out there. When I started looking almost every competitor was better quality and features than what iRobot had, for around the same price, and they were just starting to play catch-up. I don't know how much they've improved in the past year, though.