When cardinals elect a successor for Pope Francis, the primary indication is not going to be a communiqué or a social media publish, however a puff of white smoke. But the centuries-old custom has modified over time – and so has the know-how used.
https://www.france24.com/en/live-news/20250507-white-smoke-signalling-a-new-pope-down-the-ages
Black or white smoke: How the Vatican alerts the election of a brand new pope | EUROtoday
