The Net Promoter Score (NPS) is a widely used acronym for a customer satisfaction measurement tool. It has become an essential indicator despite its inherent limitations and potential for implementation errors. Its popularity stems from its ease of use and implementation. To learn more about the NPS, its limitations, and its practical applications, consult the available information. For example, it can be used via email to gather customer feedback, or in the automotive repair sector. Graphs can also illustrate the evolution of the NPS over time. The NPS originated from an interesting research approach that warrants further exploration.