UUIDs are acceptable for APIs, but I really like Stripe's 'hungarian notation' approach. It's obvious what 'cus_123abc' is (a customer!).
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Shower thought: plurals are basically Hungarian notation, but with a suffix rather than a prefix.
Hungarian notation definitely has its uses. I find writing effectful! predicate? or $selector very helpful for reading code.
"Windows kernel coding typically uses Hungarian notation for type names, but not for variable names." Crikey, new one on me.