In video number 46 from The Little BIG Things Video Series, Tom explains that you don't have to be exact, but your project team should resemble the market it serves or something is very wrong.
You can find the video in the right column of the front page of tompeters.com or you can watch the video on YouTube. [Time: 2 minutes, 21 seconds] You can also download a PDF transcript of the video's content: Leadership: The Squint Test.
Before blogging became all the rage, Tom was posting book reviews and Observations (essentially early blog posts) to this site. You can find the archives below.
What we're talking about
on the front page.