In The beginning; persons chiseled them in stone or steel. Later on; individuals have handwritten and distributed this news in community boards or read through them from scrolls by city criers. Produced someplace about 202 BC; these were being “palace studies or imperial bulletins” distributed by the government and supposed https://www.dailypioneer.com/2016/state-editions/tibetan-traders-are-back-in-steel-city.html