The ideas in The Lean Startup came about when Eric got frustrated working on products that failed to get traction. As an engineer, he initially thought they failed due to technical problems, but this was never the right answer. In reality, they just spent a lot of time building things nobody wanted. So when he started his new company, IMVU, he wanted to try something different. One inspiration was Steve Blank’s idea of Customer Development: a rigorous methodology for the business and marketing side of a startup. Another inspiration was Japan’s lean manufacturing systems, made famous by Toyota. Eric Ries