She was a reader; there were many citizens who were not. The prevailing social explanation for illiteracy was that there were people who were temperamentally unsuited for reading—and indeed there were few callings in a computerized, video-saturated world that required literacy. Lilo accepted that, but had always had a feeling that most people never learned to read because they simply were not smart enough.

Chapter 5 (p. 49) - The Ophiuchi Hotline (1977)