Cover page by Jurgen Appelo

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Chapter 11. How to Develop Competence

If a child shows himself to be incorrigible, he should be decently and quietly beheaded at the age of twelve, lest he grow to maturity, marry, and perpetuate his kind.

—Don Marquis, American humorist, journalist and author (1878–1937)

In the previous chapter, you may have noticed that I discussed maturity without going into details about any maturity models, of which there are many dozens in the world of software development and in other business environments. That’s because I find the concept of maturity models of little use, and perhaps even a bit offensive.

How would you rate the “maturity” of advertising agencies? Would you measure how well they perform tasks such as conversion of graphics files, ad ...

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