> I like to throw in market estimation ... questions FYI, this is known as a Fermi problem, named after the famous physicist Enrico Fermi. The classic Fermi pr

> I like to throw in market estimation ... questions FYI, this is known as a Fermi problem, named after the famous physicist Enrico Fermi. The classic Fermi problem is, "How many piano tuners are there in Chicago?" [1] [1] https://en.wikipedia.org/wiki/Fermi_problem https://en.wikipedia.org/wiki/Fermi_problem