Writes about how letter writing is the greatest and most intimate form of communication. At the end of chapter three, Henkin notes that the post office “brought together friends, family, and acquaintances who were physically separated,” but that it also ironically brought together “[strangers] in physical proximity” (90). With this conclusion Henkin tries to demonstrate that the post office brings together all kinds of people and that the post office is universal. Comparing this to Sherry Turkle's first statement, there are many differences in how people interacted two centuries ago compared to now. Unlike instant messaging and email, the old-fashioned letter was used sparingly for special occasions. Henkin's overall argument in his book is that this is what made the written letter the most effective method of communication. Back then people understood how innovative the mail system was, whereas today people take the Internet for granted. Unlike the postal network, which united people with similar beliefs through the post office, the method of communication today divides people by isolating them from