The Best Inventions of 2021
November 10, 2021 6:15 AM EST

SPECIAL MENTION: Here’s a robo-vac with ambition. The S7 ($650) is smart enough to recognize the difference between hard and carpeted floors. It cleans hard floors by both vacuuming and using an ultrasonic mop; when it encounters carpet, it continues to vacuum, but lifts up the mop, keeping your carpet dry. —Jesse Will

Buy Now:Roborock S7

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