This report investigates the impact of social media advertisements on consumer buying behavior, focusing on the cognitive dissonance and word-of-mouth effects. The research employs a comprehensive methodology, including interpretivism philosophy, inductive research approach, and descriptive, exploratory, and illustrative research designs. The study utilizes secondary data analysis to examine the relationship between social media marketing strategies and consumer purchasing decisions. The report reviews literature on the topic and analyzes consumer perceptions and attitudes towards social media advertisements. The research aims to provide a detailed understanding of how social media influences consumer behavior, providing valuable insights for marketing strategies and business development. The report also details the research strategy including literature review and data collection methods, and concludes with potential outcomes and interpretations regarding the effectiveness of social media in shaping consumer choices.