Neuro-linguistic programming offers innovative tools to improve communication in both personal and professional settings. NLP techniques are becoming more and more popular in companies and are intriguing managers. Why does this approach attract a certain curiosity in the professional world? Why are NLP coaching sessions becoming more and more numerous? Communication and advertising professionals have a motto: "communicate". Can NLP provide them with tools they have not yet thought of? But how far do NLP influence techniques go, do we still respect ethics when using these tools?