Initially; individuals chiseled them in stone or metallic. Later; people have handwritten and distributed this news in public message boards or read through them from scrolls by city criers. Made someplace close to 202 BC; these were “palace reviews or imperial bulletins” distributed by the government and meant for bureaucrats. https://www.dailypioneer.com/2024/world/indian-american-releases-song--to-rally-south-asians-for-harris.html