This document is a comprehensive guide on growth hacking by Ken Leaver, highlighting the differences between growth hacking and traditional marketing and outlining the essential processes and tactics for achieving success. It discusses the role of a growth hacker, the importance of product-market fit, and details various tactics to attract and retain users, categorized into pull, push, and product tactics. The guide emphasizes the need for experimentation, analytics, and leveraging existing strengths to optimize growth strategies.