This report provides a comprehensive analysis of Activia's marketing campaign, with a specific focus on consumer behavior. It begins by outlining the case facts of Groupe Danone's Activia yogurt brand, including its target market of women and its probiotic benefits. The report then delves into consumer insights and strategies, particularly the 'It Starts Inside' campaign, which aimed to connect emotionally with women by addressing their self-doubt. The campaign's overview, insight, and results are discussed, highlighting the shift from functional to emotional branding. The report further explores counterfactual scenarios, examining how the campaign's success hinged on adapting to consumer needs and supporting women's empowerment. The conclusion emphasizes the importance of understanding consumer behavior in modern marketing and building strong customer relationships. Finally, the report includes references to support the analysis.