The author is a famous American blogger who has a lot of experience in the world of start-ups in the United States. In his book, he shares his good and bad practices in a clear and concise style. The examples are from high-technology but the advice may well apply to other sectors. This book proposes to review how to introduce a new product on the market: at what stage of maturity market the product, in what form, how often, etc. It explains how the customer should be central to all the company's attention to ensure the success of the product. A very informative book on the right product strategy to be adopted for any new product, or how to reinvent the way we work to have the agility and innovation of a start-up.