At the same time, keyboards took away some of our previous repertoire for expressive writing, like multiple underlines, colored ink, fancy borders, silly doodles, and even subtle changes in someone’s handwriting that might allow you to infer their mood. But the expanded system of conveying emotional nuance through text we’ve come up with instead is so nuanced and idiosyncratic that if I’m typing a personal sort of communication for someone—say, when I’m in the passenger’s seat and a text on the driver’s phone needs to be replied to right away—I find I need to inquire in great detail how exactly they want me to type.