The problem is not in recognizing that SEO has a mobile component, but rather in treating mobile as a separate thing that is a niche of SEO. But now that we live in a world where most people, regardless of country or industry, are using Google (or Bing, but mostly Google) on their mobile phones instead of, or in addition to, their computers and tablets, mobile SEO is just SEO. If you’re not paying attention to mobile in a world where most searchers are searching from their mobile phones, you’re not doing SEO well. Get the full story at Marketing Land