iRobot Roomba 980/981 Robot Vacuum - FIRST TEST - As good as i7+? Do I recommend at the $200 Price? - YouTube
iRobot Roomba 980 Review | Tested by GearLab
iRobot Roomba 980 review: You'll pay a premium for this smart but unexceptional vacuum bot - CNET
Amazon.com - iRobot Roomba 980 Robot Vacuum-Wi-Fi Connected Mapping, Works with Alexa, Ideal for Pet Hair, Carpets, Hard Floors, Power Boost Technology, Black (Renewed) -