The four steps to the epiphany : successful strategies for products that win
The book offers the practical and proven four-step Customer Development process for search and offers insight into what makes some startups successful and leaves others selling off their furniture. Rather than blindly execute a plan, The Four Steps helps uncover flaws in product and business plans and correct them before they become costly. Rapid iteration, customer feedback, testing your assumptions are all explained in this book
Print Book, English, 2007
3rd ed
S.G. Blank, [California], 2007