In 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.
The Cognitive Style of Powerpoint: Pitching Out Corrupts Within
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?
For more about PowerPoint, here's a sample from the essay: PowerPoint Does Rocket Science--and Better Techniques for Technical Reports