The document provides an overview of Customer Development, which is the process startups use to search for a business model. It discusses how startups should test hypotheses about their problem, customer, product, and other business model components by getting out of the building and talking to customers. The Lean LaunchPad process of building a minimum viable product and continuously pivoting based on customer feedback is highlighted. An example is given of a team that conducted customer interviews over 8 weeks and pivoted from an autonomous mowing idea to focus on weeding for organic farmers after determining a bigger problem and opportunity.