"Nevertheless you did throw me over," said Jordan suddenly. "You threw me over on the telephone. I don't give a damn about you now, but it was a new experience for me, and I felt a little dizzy for a while." (9.129)
You know how text messaging and online dating have supposedly changed dating? Well, new technologies like cars and telephones were doing the same thing at the beginning of the twentieth century. Can you imagine if Daisy had had Snapchat?