PowerPoint Is Evil, Power Corrupts, PowerPoint Corrupts Absolutely.
By Edward Tufte (has written several books on information-visualisation, worth considering his efforts!)
Imagine a widely used and expensive prescription drug that promised to make us beautiful but didn't. Instead the drug had frequent, serious side effects: It induced stupidity, turned everyone into bores, wasted time, and degraded the quality and credibility of communication. These side effects would rightly lead to a worldwide product recall. [read more]