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Inconceivable!

The common thing is the Vizzini Effect, named after the Sicilian in the Princess Bride. In the movie/book, Vizzini often describes events as “inconceivable,” to which Inigo Montoya replies “you keep using that word. I do not think it means what you think it means”. The Vizzini Effect in software engineering (and undoubtedly in other fields of endeavour too, I doubt we’re special) is when the same thing happens: a word or phrase seems to adopt a different meaning such that two different people, or two different groups of people, can mean it to use different things without either seeming malicious or disingenuous. In the examples I’m going to explore here, those groups are separated by time rather than space. But unlike with Vizzini, it’s not that one person is using a word in a weird way, but that collectively software engineers seem to have decided it takes a different meaning.

Graham Lee, The Vizzini Effect

Well worth a read if you’re a software developer, or even if you’re a former software developer like me.

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