Retired from Procter & Gamble after 27 years. Now consulting extensively. Background in mathematics, working on a wide variety of modeling, supply chain, analysis, expertise, business intelligence and social media applications.
Contact at: Franzdill AtSignHere Gmail.com
Stephen Few on bad graphs in Information Management Magazine. I see it is a bit dated now, but still worth reviewing. Bad visualizations are very common. I have encountered many designed to make a 'point'. [Link Corrected!]