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Is this legit? Their website feels kinda sketchy to me, with the huge and somewhat tacky CG pictures, sweeping claims, apparent SEM photography that just looks too good to be true (could there really be zero residue? and the background never change, presumably over time span of at least minutes!) This really reminds me of vaporware like WaterSeer, or one of the recent "turn kitchen garbage into dry dust" appliances that I've seen ads for