These new Roombas are smaller and cheaper

iRobot upgrades its lidar-based robot vacuum line with eight new models. | Image: iRobot iRobot has announced a new line of Roombas, a year after it debuted its first lidar-based robot vacuums. This week, it introduced eight robot vacuums that improve on its current lineup and feature lower prices, some up to £200 (about $270)...

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