History is full of such small migrations. Folk songs become sheet music; hand-drawn maps become surveyed grids; whispered recipes are typed, standardized, and then mass-produced. Each conversion expands reach and limits variance. Civilization advances in part because someone decided to move from s d f a to s t l enough times that strangers could reproduce a craft without apprenticeship. Yet the margins—the scribbles, the misremembered chords—keep culture alive by reminding us that not everything benefits from being made uniform.