A lot of Hall's work revolves around how people's use of time and space is determined by culture. If this topic sounds interesting, consult this page on nonverbal communication.
Take a look at this archive of Miss Manners' columns from the Washington Post, after you've read the piece in your text. Browse through until you can put the topics into three main categories. What categories did you come up with?
Read a few sections of this excerpt from Emily Post's 1922 book Etiquette. (The section about proper walking behavior on city streets is especially amusing if you live in or have ever visited a big city.) Using what you've learned from your online reading, consider: How have these things changed over time? Why do these things change?
As technologies evolve, so does social behavior, and the Internet is certainly no exception. This site has everything you ever wanted to know about Internet etiquette, including a quiz.