There are a lot of courses on digital marketing available. However, many of them are not high-quality, because they don't show all the tools available to marketers for their work. The marketing strategy depends on a number of factors. To achieve success it is important to utilize the full spectrum of tools such as SEO, SMM, advertising, presentation design services, analysis of processes, graphic design, and much more. Understanding which of them is most appropriate for a specific project is imperative.