The document outlines 5 missed opportunities for business blogging: 1. Not optimizing blogs for search engine optimization by using relevant keywords, titles, and content. 2. Choosing poor blog titles that do not attract readers or search engines. 3. Failing to use language that customers use in searches and content. 4. Not publishing enough content regularly to meet customer and search engine needs. 5. Forgetting to include calls to action in blogs to encourage customer engagement and responses.