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80/20 Skills

People in our field like to cite various maxims or laws. To name a few, there are Conway’s Law, Hyrum’s Law,
Brooks’ Law, the Peter Principle, Hofstadter’s Law, the 90-90 Rule, Parkinson’s Law, Sayre’s Law, Eagleson’s Law, Postel’s Law (a.k.a. the Robustness Principle), Linus’ Law, the Dunning-Kruger Effect, the Principle of Least Astonishment, Hanlon’s Razor and it’s notable parent, Occam’s Razor, and of course the ever-popular Murphy’s Law.

I’d like to consider a couple of maxims today: the Law of Diminishing Returns and the Pareto Principle, or 80/20 Rule, in relation to the idea of multi-skilled team members on a cross-functional team.
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