Trump doesn't write all his tweets, a digital media company he hired publishes the majority of his social media content. http://www.npr.org/2016/12/06/50452036

Trump doesn't write all his tweets, a digital media company he hired publishes the majority of his social media content. http://www.npr.org/2016/12/06/504520364/how-trump-waged-an-under-the-radar-ground-game http://www.npr.org/2016/12/06/504520364/how-trump-waged-an-u... Somebody there knew what the next tweet would be, and traded based on that info.