iRobot Roomba Combo: vacuum cleaner and floor scrubber robot
iRobot Roomba 880 review: This bot leaves the competition in the dust - CNET
iRobot® Roomba® 676 Robot Vacuum-Wi-Fi Connectivity, Personalized Cleaning Recommendations, Works with Google, Good for Pet Hair, Carpets, Hard Floors, Self-Charging - Walmart.com
New Roomba i7+ Has Persistent Maps, Selective Room Cleaning, and Automatic Dirt Disposal - IEEE Spectrum
Amazon.com - iRobot Roomba 675 Robot Vacuum-Wi-Fi Connectivity, Works with Alexa, Good for Pet Hair, Carpets, Hard Floors, Self-Charging -