How Today's Fastest-Growing Companies Drive Breakout Success HACKING GROWTH is a highly accessible, practical, method for growth that involves cross-functional teams and continuous testing and iteration. Hacking Growth does for marketshare growth what THE LEAN STARTUP does for product development and BUSINESS MODEL GENERATION does for strategy. HACKING GROWTH focuses on customers - how to attain them, retain them, engage them, and monetize them - rather than product.