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Meadhbh's Law
""The value of any technology is inversely proportional to the number of syllables in its name.""
(Initialisms and Acronyms should be expanded out, so GNU (GNU's Not Unix) has three syllables making it relatively useful. Or you could interpret it as an infinite number of syllables since it's a recursive acronym. Which is on-par with corporate America's opinion of the (L)GPL.)
As an example, if someone tries to sell you a "Cloud Infrastructure Entitlement Management" system, that's 12 syllables. So look for a "User Management" package instead, that's only 5 syllables.