The adaptation of marketing has led brands to connect with the clients through the usage of theiremotions, understanding the joy or sadness an element can create in a customer, which increasesthe possibility of a recognized experience.To analyze the effects that emotions can create in customers, the usage of Duolingo’s case studywas implemented, the understanding of their new strategy used on TikTok, allowed this studyto analyze the results of such adaptations in generation Z, as the main target through the TikTokplatform.Interviews were used in this study to collect data from the public and understand the value ofemotional marketing to make buying decisions.The conclusion of this thesis resulted in the lack of development that Duolingo’s emotionalmarketing has to this day, due to missing information about the brand and the product. Thisthesis identified that the results are between positive and negative depending on the backgroundfrom the customer, since those having previous knowledge about the company appreciate betterthe usage of joy or sadness, different from users that were not able to identify the company.This analysis aims to help other companies that are looking to adapt through social media, byunderstanding how their competitor have done previous marketing campaigns, teaching themto not repeat the same mistakes.