We highlight the most RT'd tweets in 2014 from 10 Top Brands: Microsoft, Google, Coca-Cola, Toyota, Louis Vuitton, Mercedes-Benz, Honda, Budweiser, Nike, and McDonalds. Learn what goes viral and the tactics and ideas you can replicate to ensure your tweets receive the maximum amount of RTs. From timely images associated with holidays to controversial images, to.... super models with trophies, each brand has had a different type of tweet go viral.