KFC | 11 Herbs & Spices

KFC's eleven secret herbs and spices recipe is one of the world's most famous. As part of the brand's invigoration, all 35,000 Twitter accounts the restaurant group follows were ditched. In their place, a mere eleven were followed: five Spice Girls and six guys named Herb. When the penny dropped, the news went viral resulting in 2.5 billion impressions and 360,000 mentions.