The document discusses different digital marketing approaches, including search engine optimization (SEO), social media marketing (SMM), and pay per click (PPC) advertising. For SEO, it describes on-page optimization techniques like optimizing titles, headlines, images and content, as well as off-page techniques like link building through blogging, directory submissions, and social bookmarking. For SMM, it outlines best practices for major platforms like Facebook, LinkedIn, and Twitter. PPC advertising is contrasted with organic SEO in terms of speed of results and cost per visitor.