There are, however, several objectively bad ways. In "Service Model" (a novel that I recommend) a certain collection of fools decides to sort bits by whether it's a 1 or a 0, ending up with a long list of 0's followed by a long list of 1's.
That's fine so long as there's an index!
It _does_ open up amazing opportunities for compression though.
That depends on the aim. The purpose of something determines how fitting the means are.
Also, let us not confuse "relative" with "not objective". My father is objectively my father, but he is objectively not your father.
In a similar vein, someone decided that everyone should have subdirectories under home named "Pictures", "Videos", "Music", "Documents", …