And then there is that thing that is even harder to achieve, bordering on impossible: Getting the human mind to understand what randomness looks like.
We tend to think of randomness as something nice and even, when it is in fact chaotic and lumpy. Like in this
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, where rubber ducks are first "randomly" distributed by humans, and then randomly distributed in a proper way.
We also have the famous example where music players had to fudge the shuffle function to be
less random, because people would get three Beatles songs in a row and then complain it was broken.