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Tchibo, a German coffee chain, has, for some god-awful reason, decided to create a Roomba-like vacuum that doesn't really vacuum anything. While it has settings for Large, Medium, and Small rooms, this thing seems to just run around and push dirt into corners, kind of like a Shi Tzu. Overall, this $100 vacuum sucks. But Tchibo does make a good cup of coffee.

Tchibo Floor Cleaning Robot Review [i4u]