Edward Tufte
Envisioning Information
Beautiful Evidence
The Visual Display of Quantitative Information
Seeing With Fresh Eyes
Visual Explanations
ImageQuilts
The Cognitive Style of PowerPoint
An Essay by Edward TufteIn corporate and government bureaucracies, the standard method for making a presentation is to talk about a list of points organized onto slides projected up on the wall. For many years, overhead projectors lit up transparencies, and slide projectors showed high-resolution 35mm slides. Now "slideware" computer programs for presentations are nearly everywhere. Early in the 21st century, several hundred million copies of Microsoft PowerPoint were turning out trillions of slides each year.
Alas, slideware often reduces the analytical quality of presentations. In particular, the popular PowerPoint templates (ready-made designs) usually weaken verbal and spatial reasoning, and almost always corrupt statistical analysis. What is the problem with PowerPoint? And how can we improve our presentations?
Holistic and prescriptive technologies
Holistic technologies are normally associated with the notion of craft. Artisans, be they potters, weavers, metal-smiths, or cooks, control the process of their own work from beginning to finish. Using holistic technologies does not mean that people do not work together, but the way in which they work together leaves the individual worker in control of a particular process of creating or doing something.
The opposite is specialization by process; this I call prescriptive technology. Here, the making or doing of something is broken down into clearly identifiable steps. Each step is carried out by a separate worker, or group or workers, who need to be familiar only with the skills of performing that one step. This is what is normally meant by "division of labor".