History likes loud turning points: Gutenberg setting metal type, Eastman packaging roll film, Jobs unveiling the first iPhone. But sometimes revolutions slip in quietly. Print-on-demand (POD) was one of those. The technology that lets you print a single, bookstore-quality book on demand didn’t suddenly emerge; it matured in small increments—digital presses gained resolution, software streamlined […] The post How print‑on‑demand technology revolutionized self‑expression appeared fi...