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In that case it may be an urban myth, with its origin in the (apparently real) Electrolux advert shown here: https://web.archive.org/web/20180707150205/http://a

• dhosek 5y ago
  The ad I remember showed an actual vacuum cleaner. I'd seen the one you linked to in my cursory googling. I'd hoped it would have the same vacuum cleaner picture to make the identification that much easier.