Solving the Dust Problem

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I'm not sure how practical this would be (or even if it would work) but if you put little vents at the top of walls and at the bottom of them and you flowed high pressure air such that it travels along hugging the walls, floors and anything else like furniture, it could carry dust with it before it has a chance to collect. The airflow would have to be unobtrusive but if it was designed correctly, it could double as an AC/Heating system. This would not cover all surfaces but it could take care of dust in places that are difficult to dust, like under desks. The entire premise is to dust before dust can collect.