This presentation focuses on assessing the impact of social media marketing on the sales of a retail firm, with Tesco as a case study. It explores the significance of social media marketing for retail businesses, the relationship between social media marketing and sales, and ways to enhance the effectiveness of social media marketing used by Tesco. The presentation also discusses the social media websites employed by Tesco, the role of social media in attracting customers, the impact of negative comments on sales, and how social media helps in product or service development.