Death Clock, an AI-driven longevity application. Through renaming, designing shareable functions, combining social interaction, data-driven and low-cost customer acquisition strategies, it has transformed from a mediocre single-person tool into a socialized health platform and achieved rapid growth. Come and learn about its counterattack path! The cover is an abstract clock with the hands spinning rapidly, surrounded by various icons representing healthy habits such as exercising figures and fresh fruits and vegetables. The background is a gorgeous gradient of colors, full of artistic sense. The counterattack of a health AI application: How to use the 'Death Clock' to drive user growth and media attention and achieve the sixth place in the application rankings quickly.