The article discusses the limitations of using ZIP codes as a basis for geospatial analysis, primarily due to their origins in mail delivery rather than geographic or demographic factors. Although ZIP codes are well-known and easily extracted, they fail to accurately represent spatial and demographic realities, leading to potential analytical errors. The discussion includes various alternatives like census units and spatial cells, which also have significant drawbacks. The debate highlights the need for better methods in analysis, suggesting census counties and other solutions while acknowledging the inherent familiarity of ZIP codes among the public.