The second step to compare customer discovery methods and frameworks is to review the options available and understand their features and limitations. Lean Startup is a methodology that focuses on building, measuring, and learning from a minimum viable product (MVP) to validate product-market fit. Jobs-to-be-Done is a framework that helps you understand customer needs and motivations, and design a value proposition that aligns with their jobs, pains, and gains. Customer Development is a process that helps you discover and validate customer segments, their problems, and your solution. It consists of four stages: customer discovery, customer validation, customer creation, and company building. Design Thinking is a mindset and approach that helps you empathize with customers, define their problems, ideate solutions, prototype, and test - fostering creativity and innovation to solve complex and ambiguous problems.