The document discusses building minimum viable products (MVPs). It defines an MVP and explains the Kano model for classifying product features. It then provides guidance on designing an MVP experiment by identifying what is being tested, what data to collect, and what determines success. The document outlines a process for building an MVP, including prioritizing basic, performance and exciting features. It also discusses building granular MVPs at the feature, epic, story and task levels before pruning a product tree to the core MVP.