"The Cognitive Style of PowerPoint: Pitching Out Corrupts Within"
Essay self-published by EdwardTufte (of TheVisualDisplayOfQuantitativeInformation fame).
The first edition was reviewed by Alexandra Weber Morales in SoftwareDevelopmentMagazine August 2003. Key point from that review:
"...the metaphor behind the PP cognitive style is the software corporation itself..." [a big bureaucracy engaged in computer programming (hierarchical, structured, segmented) and marketing (fast-paced, questionable ethics, oriented toward advocacy not analysis).
The first edition is a 24-page book, $7 (ISBN: 0961392150 ). Second edition, 2006, is 32 pages.
http://www.edwardtufte.com/tufte/books_pp