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  1. I have an idea for a thing (1 million people)
  2. I tried to build a thing (50,000 people)
  3. I built a thing that works (10,000 people)
  4. I built a thing that people use (1,000)
  5. I built a thing that’s easy to use (50 people)
  6. I built a thing that people enjoy using (5 people)
  7. I built a thing that people love (1 person)

—Good products are one in a million