At home I've been using a robot vacuum cleaner for the past two months. It is easily managed from a mobile device such as a smartphone. In a short amount of time—just three days—I was able to draw a map of the apartment. Effectively cleans and gets into tight spaces. Collects hair from cats. Learns well after being washed; it does not retain any streaks. It appears to be adorable. The square form that the corners take is an excellent choice. Neither when it is being cleaned nor when it is being charged does it make a significant amount of noise. A useful thing to have.
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