Explore the journey from zero to many users in this 52-minute lecture by Adora Cheung, Founder of Homejoy. Dive into essential startup topics including building products, engaging with users, and achieving growth. Learn about the noob approach, identifying problems, creating version 1, gathering initial users, handling customer feedback, and preparing for user influx. Discover various growth types such as sticky, viral, and paid growth, along with practical examples. Gain insights on the art of pivoting and access additional resources through provided slides, readings, and discussion forums. Understand the fundamentals of transforming an idea into a successful startup with this comprehensive Y Combinator presentation.