Emojis have evolved rapidly from their origins in 1999 as icons for technology, weather, and time introduced in Japan. They were standardized in 2010 when Unicode began accepting emojis, and Apple added the emoji keyboard to iOS in 2011. Emoji popularity boomed after adoption by Unicode. New emojis are now added regularly to depict more cultures and ideas, from same-sex couples to icons for malaria. Fun facts about emojis include that July 17th is World Emoji Day, the peach and eggplant emojis are often used to represent body parts, and Moby Dick was translated into an emoji book.