Which is why Facebook replaced MySpace and Google replaced Yahoo and Altavista and so on. The idea that economies of scale make it impossible for a company to

Which is why Facebook replaced MySpace and Google replaced Yahoo and Altavista and so on. The idea that economies of scale make it impossible for a company to never face competition is ridiculous. The only thing that can do that is govenment protectionism. Along with economies of scale is the opposite effect: the inefficiency of bureaucracy and having competing interests between business units. Being large isn't the magical unicorn you think.