In the mid-2000s, I inherited a code base that was supposed to recommend nearby points of interest (coffee shop! pizza place!) based on your zip code. It had be

In the mid-2000s, I inherited a code base that was supposed to recommend nearby points of interest (coffee shop! pizza place!) based on your zip code. It had been written by a contract programmer in India who naturally didn't understand how US zip codes worked. That was interesting. (He also didn't understand how functions worked, but that's another matter...)