This report explores the use of social media in promotion and its impact on business, employees, society, and customer behavior. It discusses the aim, objectives, and marketing strategies for using social media. It also covers the advantages of social media in promoting brands and offerings, such as increased brand awareness, improved website traffic, and direct connection with the audience. The report includes a time scale for implementing social media promotion strategies and analyzes the impact on business profitability and employee engagement. It also highlights the role of social media in society and its influence on customer behavior. The case study focuses on Marks and Spencer's use of social media in promotion.