That birthday paradox—with 23 people and 50% odds—shows how we humans underestimate the collisions in random-looking sets. It’s exactly why I’d never rely on short, human-generated passwords, even for our farm’s equipment portal; you need an algorithm to create truly random, long strings. My own lesson came last month when a simple repeated PIN for our grain storage account nearly got us locked out—now I let the system generate a proper password, because what seems unique often isn't.
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