This project aims to determine the positive and negative consequences of word of mouth in the fast food industry in the UK, with a focus on Krispy Kream UK. It will explore how word of mouth works as a marketing promotion tool and how it affects the fast food industry. The project will analyze the role of word of mouth in the promotion of Krispy Kream UK and examine the positive and negative implications of word of mouth on the company. The research will be based on secondary data collected from books, journals, and online articles.