This research explores the impact of communication technology, specifically social media and mobile technologies, on the marketing strategies of Marks & Spencer (M&S). It investigates how these technologies influence customer engagement, brand awareness, and revenue generation. The study utilizes both primary and secondary research methods, including surveys and literature reviews, to analyze the effectiveness of communication technology in M&S's marketing efforts. The findings highlight the importance of integrating social media and mobile technologies into marketing strategies to enhance customer experience, build brand loyalty, and drive business growth.