This. It was an interesting and probably a fairly realistic approximation of what to expect if something like this (or any other widespread disaster) happens. The audio book narrator is somewhat emo and does a really bad impression for all of the female character voices.
TL;DR - Cessation of emergency services and lack of electronic communication causes a widespread panic. People in cities will be the worst off. Anyone needing daily medication (diabetics) or special care is boned.