"Zero to One" is a business book written by Peter Thiel, co-founder of PayPal and Palantir. It explores the concept of going from nothing ("zero") to creating something entirely new and valuable ("one"). Thiel shares insights on innovation, building monopolies, and creating a unique market space rather than simply competing in existing markets. The book emphasizes the importance of original thinking and entrepreneurial strategies for creating groundbreaking businesses and technological advancements.