At first; people today chiseled them in stone or metallic. Later on; people have handwritten and distributed this news in public forums or go through them from scrolls by city criers. Created someplace all over 202 BC; these had been “palace experiences or imperial bulletins” distributed by The federal government https://www.dailypioneer.com/2023/state-editions/cm---s-security-enhanced--anti-sabotage-team-formed.html