Deteriorating infrastructure—DSL networks go over the US, but the copper wires that make up these networks are considerably more at risk of corrosion and deterioration than fiber-optic cables. For illustration, "apple" becomes "apples"; "tree" turns to "trees"; "e-book" improvements to "publications"; "painting" will become "paintings"; and "signal" alterations to "indicators." https://edwindsgvj.bloggip.com/28142094/the-smart-trick-of-spelling-mistakes-in-english-dsl-that-nobody-is-discussing