The conclave, the process of choosing a new pope, is steeped in tradition, secrecy, and symbolism. Here are five fascinating facts about how it works. Complete Secrecy During the conclave, cardinals take an oath of silence. Revealing details can result in excommunication. This rule also protects the decision-making process from outside influences. The Quickest Ever Election The conclave that elected Benedict XVI in 2005 lasted only two days, making it one of the quickest in history. That first conclave in 127, however, took nearly three years to reach a consensus. Only Cardinals Under The Age Of 80 Vote Cardinals over 80 can participate but do not vote. The Church believes that younger people have a better physical and mental capacity to choose the new leader. Smoke Is A Signal To The World Black smoke means the cardinals haven't agreed on a pope. White smoke signals that a new pope has been elected, a tradition that draws the attention of Catholics worldwide. The Pope's New Name By accepting office, the pope chooses a new name. The tradition began in 533, when Mercurio became John II, to avoid using the name of a pagan god. The name symbolizes the pontiff's new mission.