Do you need a $400 window-cleaning robot?

By Bloomberg   |   15 September 2017   |   5:00 pm  
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Do You Need a $400 Window-Cleaning Robot?
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Do You Need a $400 Window-Cleaning Robot?
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Is a window-cleaning robot worth $400? We got our hands on Ecovacs Robotics's Winbot 950 and tested it out in our office.
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