A comprehensive course on designing, building, and optimizing viral referral systems. You'll learn the frameworks behind the fastest-growing products in history — from double-sided incentive structures to K-factor optimization, cohort-based loop analysis, and the psychology of share triggers. Each module includes real-world case studies, hands-on loop design exercises, and templates you can deploy immediately. Whether you're scaling a SaaS product, a marketplace, or a consumer app, this course gives you the exact playbook to make growth self-perpetuating.