This TED Talks Daily interview features Raja Rajamannar, Mastercard's Chief Marketing Officer, discussing his "quantum marketing" philosophy. The conversation explores three core reasons for marketing's existence: brand building, business advancement, and competitive differentiation. Rajamannar emphasizes the importance of purpose-driven marketing, arguing that prioritizing societal good leads to greater profitability. He provides examples of Mastercard initiatives, such as the True Name Card for transgender individuals and tactile cards for the visually impaired, demonstrating how purpose-driven marketing creates both positive social impact and business success. Listeners gain insights into reimagining marketing principles for the modern context and applying a purpose-driven approach to personal and professional branding.