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Here is the link to the book: http://www.amazon.com/Four-Steps-Epiphany-Steven-Blank/dp/0976470705 http://www.amazon.com/Four-Steps-Epiphany-Steven-Blank/dp/09

• acconrad 16y ago
  If you want an even quicker read, as 4 Steps can be quite redundant (or not relating to your business), check out The Entrepreneur's Guide to Customer Development: http://www.custdev.com/ http://www.custdev.com/