Twitter has revealed the most 'retweeted' tweets of 2019, with 'World Record Egg' topping the list with 9.57 lakh retweets, followed by a video from K-pop group BTS. While 'Game of Thrones' was the most talked-about show, 'The Avengers: Endgame' dominated among tweets about movies. Among politicians, Donald Trump was the most discussed, while India's PM Narendra Modi ranked third.