This report provides an analysis of digital marketing strategies, focusing on their contribution to communication strategies within the marketing mix. The report begins with an introduction to digital marketing and its platforms, using Sainsbury's as a case study. It explores the advantages and disadvantages of digital marketing, emphasizing customer engagement and bidirectional communication. The main body of the report delves into the importance of digital platforms in marketing mix, communication factors, and the impact on advertising. The report includes an evaluation of digital marketing's effectiveness, concluding with recommendations for establishing effective communication channels and maintaining customer loyalty. The report references relevant literature to support its arguments.