If you need to take in a lot of information within a short space of time, you cannot afford to delve into complicated tables or long scientific papers. Graphics such as pie charts or bar graphs might have the goal of making information clear at a single glance but they are often very data intensive. Figures and texts repeatedly get in the way of seeing the whole picture. Computer programs that generate these diagrams, such as Excel, are certainly adequate for private and basic scientific purposes but not for material meant to convince investors, patients or doctors of your ideas. Read more