Zero Sum Problems

This article critiques the Apple Sports app's confusing 'zero-sum' visualization of basketball team statistics, as highlighted by John Gruber. The author, a data visualization expert, explains why the design misleads viewers by implying each row represents a zero-sum competition between teams, while actual stats like shooting percentages and assists are not zero-sum. The piece offers a detailed breakdown of the visual confusion, contrasts with proper zero-sum examples like rugby possession, and expresses sympathy for the designer's challenge. It is a tech-focused analysis of user interface and data representation issues in a sports app.