If you look at the history of the letter in the novel, small changes in the British postal service became really significant because of how quickly people are suddenly able to communicate, and letters actually arrive at the intended time, and they arrive to the correct recipient. All of this is really important to a plot.

I try to keep my sentences quite pared back. What I really want to do is observe people's relationships and interactions. I don't want language to get in the way of that. It's quite a difficult process to achieve that, for the language to feel clear.

I don't have any answers as to whether the Internet is a good or a bad thing, but it's certainly an important thing for the novel because novels are so much about communication, and when communication changes, the novel has to change.

Sally Rooney Quotes