If you haven’t heard of Edward Tufte or have but haven’t read anything by him, I highly recommend you check out his site: Edward Tufte
The book above, The Visual Display of Quantitative Information, will change the way you look at the depiction of information. He has lots of great books, including his new one:
He also writes scathingly on Powerpoint. 🙂 See here. Unfortunately, Powerpoint marches on. Pity.
Smart People I Know 