iRobot adds an automatic mop to its flagship Roomba
 

There are plenty of robots that say they can vacuum and mop your floors, but never to anyone’s satisfaction. With some, you have to futz with the system to add the mop halfway through, others it’ll drag the dirty pad across your clean carpets and rugs. It’s a problem that iRobot has spent plenty of engineering resources trying to solve, saying that the new Combo j7+ is the solution. Co-founder and CEO Colin Angle describes it as the “first legitimate 2-in-1 vacuuming and mopping robot ever created.”

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