What qualifies a pope to be considered great? Well, within less than one year after his election, Pope Francis was named Time magazine’s “Person of the Year” and received top media coverage around the world. His Pontifex accounts in nine languages on Twitter total more than 14 million followers, and a recent survey reported that he is more widely retweeted than any other world leader — meaning he beats them all in terms of reach and what social media experts call engagement.