Steve Blank's "Customer Development Process" as described in The Four Steps To The Epiphany.[1] [1]: https://www.amazon.com/Four-Steps-Epiphany-Steve-Blank/dp/

Steve Blank's "Customer Development Process" as described in The Four Steps To The Epiphany.[1] [1]: https://www.amazon.com/Four-Steps-Epiphany-Steve-Blank/dp/0989200507 https://www.amazon.com/Four-Steps-Epiphany-Steve-Blank/dp/09...