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Continuing with my (boring to some persons) series on the myriad ways that modern life is made cleaner, more healthy, and more pleasant by devices that are so common that we take them for granted, here’s another ingenious way that our lives are cleaned by capitalism: one of many designs of paper-towel dispenser that requires users to touch only the freshly dispensed towels. Several inches of clean paper towel are dispensed simply by waving a hand in front of the cute little light located at the bottom of the dispenser.
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By the way, inexpensive paper towels are, in and of themselves, quite the cleaning achievement!