This Honeycomb map (built with stats from the 2004 CIA Factbook) is fascinating.
"The number of young people under age twenty-five has more than doubled since the 1950s: from 1.
We entered the twentieth century with a population of less than two billion people and now, as we stand at the century's exit, world population is just over six billion. Six billion. It's hard to grasp what that means. I chose the following sites because