Art project by 25-year-old Brazilian Icaro Doria: Using national flags as graphics to communicate statistics about that country. For example, instead of a pie chart showing how many 14-year-olds in China are studying instead of working:
In the same vein, check out Gapminder World (requires Flash), which allows you to manipulate and animate statistics collected by the UN over the last 30 years. Pretty sobering stuff.
ObDisclosure: Google acquired Gapminder's "Trendalyzer" team and software in March, 2007.