Evolution cost of iRobot Roomba: i7+ vs S9+
This article discusses the iRobot Roomba i7/i7+, s9/s9+, and Braava jet m6 models, their innovatine technologies, including auto-emptying docking station, Imprint Smart Mapping, Imprint Link, Keep Out Zones, Perfect Edge, etc. This article also contains a video showing the Keep Out Zones for Roomba i7, S9 and Braava.