Here are two very cool tools to add to your data display collection. First, the WorldMapper lets you mashh together various data sources and display it on a world map. For example, you can show the number of people killed by drought, those with advanced education degrees, children living in poverty, etc.
size were correlated with insect infestation.
So what for philanthropy? A picture is worth a thousand words. Or, in some cases, these pictures might make the difference in millions of dollars in grants. These are great tools for making a point about data, they're widely available, and they are free.