Further information from the MM-M wiki article: https://en.wikipedia.org/wiki/The_Mythical_Man-Month#The_pilot_system https://en.wikipedia.org/wiki/The_Mythica

Further information from the MM-M wiki article: https://en.wikipedia.org/wiki/The_Mythical_Man-Month#The_pilot_system https://en.wikipedia.org/wiki/The_Mythical_Man-Month#The_pil... The lesson is basically, when you're designing a new system or product - make one with the knowledge that you're going to scrap and it start over. The value in doing so is that you expose flaws and design challenges that you can't anticipate through the speculation that occurs before you've actually started.