Dust isn't the only thing your Roomba is sucking up. It's also gathering maps of your house. - The Washington Post
Roomba 980 Review [Is It Worth The Premium?]
iRobot Roomba 980 Review | Tested by GearLab
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)
Roomba i7+ vs 980 - Detailed Comparison Plus a Money Saving Tip
iRobot Roomba 980 review: The home janitor just got smarter