This case study outlines the effectiveness of quizzes as a tool for enhancing user engagement and monetization strategies. It presents data on user interaction, including an average completion time of 2 minutes and 48 seconds for quizzes, and a global quiz completion rate of 73.4%. The report highlights the success of various case studies, such as Club Med, which achieved an 83% opt-in rate for future content from quiz participants. Additionally, it discusses the performance of in-quiz advertising, noting that it outperforms standard display formats due to user focus and active participation. The study also emphasizes the importance of GDPR compliance in data gathering, presenting quizzes as a method for collecting zero-party data while building user trust. Key findings indicate that quiz lead forms can significantly reduce lead acquisition costs by 37%, demonstrating their value in lead generation and advertising performance for media companies.