This must-read book presents a lexicon of concepts and a universally applicable road map to success, as well as illustrative examples of innovative approaches to industry-specific disruption ranging from technology startups to consumer packaged goods to music to investment and finance. the book teaches entrepreneurs how to approach risk head-on and test market ideas immediately, foster stronger customer relations, test different business model risks, and create a customer funnel based on buyers' process in order to eliminate unnecessary time and effort. A lean entrepreneur has already bought into lean startup, customer development, design thinking, and other iterative, customer-centric methods of product development. The lean entrepreneur wants to know how to apply these to their business. In other words: how to get started tomorrow.