Marc Andreessen defined Product/market fit as “being in a good market with a product that can satisfy that market.”

In an article entitled “The only thing that matters” Andreessen also highlights a few points:

At any given startup, the team will range from outstanding to remarkably flawed; the product will range from a masterpiece of engineering to barely functional; and the market will range from booming to comatose.

• The Lean Startup Methodology in a nutshell
• The Minimum Viable Product in a nutshell
• Problem/Solution Fit comes first
• Product-market fit myths
  • Myth #1: Product market fit is always a discrete, big bang event
  • Myth #2: It’s patently obvious when you have product market fit
  • Myth #3: Once you achieve product-market fit, you can’t lose it
  • Myth #4: Once you have product-market fit, you don’t have to sweat the competition
• Product-market fit tools