Cordless vacuums are selling a marginal improvement over what backpack vacuums could already do decades ago. An 18m cord, and not having to lug the floor unit a

Cordless vacuums are selling a marginal improvement over what backpack vacuums could already do decades ago. An 18m cord, and not having to lug the floor unit around, already gives you most of the advantage of cordless, at half the cost, and it'll last twice as long.