(Source: Gary Klass) A short but good article in the style of Edward Tufte, the big guru when it comes to displaying data in a meaningful way. Fundamental rule of efficient graphical design: minimize the ratio of ink-to-data The three fundamental elements of bad graphical display are these: Data Ambiguity, Data Distortion, and Data Distraction. link Make sure you check out these classic bibles about envisioning information by Tufte: Envisioning Information and The Visual Display of Quantitative Information