The Lean Startup concept was also given impetus by Steve Blank’s book, The Four Steps to the Epiphany, which focuses on customer development. (Sample concept: “We don’t know what the customer wants until assumptions are validated.”) The most important message of the Lean Startup movement is to “Fail fast and fail often, while eliminating waste.” Its approach can be summarized as a new, scientific, data-driven, iterative, and highly customer-driven approach to practical innovation that is used by startups, mid-market companies, corporations and even governments. To
