This document summarizes the development timeline and approach of Gameplan, a startup building a sports tournament platform. It describes key milestones from April to September including the first public demo, free preview launch, and beta launches. It then discusses the company's working philosophy of top-down development, just-in-time building, and feedback loops. Pair programming is used when possible. The document emphasizes common sense over buzzwords and having user traction, profits, and happiness over great code alone. It advocates testing assumptions through failure and success and provides tips on dry testing a product and not taking advice too literally.