How do you even begin testing the market hypothesis? https://www.amazon.com/Four-Steps-Epiphany-Steve-Blank/dp/0989200507 https://www.amazon.com/Four-Steps-Epi

How do you even begin testing the market hypothesis? https://www.amazon.com/Four-Steps-Epiphany-Steve-Blank/dp/0989200507 https://www.amazon.com/Four-Steps-Epiphany-Steve-Blank/dp/09...