This project proposal aims to determine the importance of Facebook reviews for business in the retail sector, with a focus on the case study of Marks and Spencer (M&S). It explores how Facebook reviews influence customer purchasing decisions and increase sales. The proposal also highlights the credibility and proof that Facebook reviews provide to businesses, as well as their role in understanding customer needs. The research objectives include analyzing the significance of using Facebook as a marketing tool in the retail industry, determining the importance of customer reviews for developing strategies to regain customers, and identifying strategies to highlight positive customer reviews. The proposal will utilize primary and secondary information to assess the impact of Facebook reviews on business growth.