In Norwich, the first three characters of the code ('NOR') represented the name of the city, and the last three characters a particular street.

BBC: Modern postcodes are 50 years old

This code could then modify the Cox code to do something neither Cox nor the end user expects such as hijacking any links displayed in the Cox popup.

FORBES: Cox Inserts User Notification Popups By Hijacking Web Pages, Doesn't Tell Support, Invites Problems

Some of the critics appear to have read neither the review nor its proposed code.

ECONOMIST: British corporate governance