ENTREPRENEURSHIP HANDBOOK - Colin Hodge created "Bang With Friends," a Facebook app for users to see which friends were interested in casual sex. It quickly gained popularity, surpassing Tinder, but faced legal challenges and rebranded to "DOWN." Despite setbacks, including an Apple ban and a lawsuit from Zynga, the app continued to grow. Hodge navigated failed acquisitions, pivoted business models, and eventually reacquired the company. Today, DOWN has ~10M users and continues to influence the online dating culture with significant revenue growth.