NPR's Robert Krulwich has a great blog post about alternative maps that leave the world looking a little different. These alternative maps adjust a country's size relative to factors such as income and population. For instance, Japan is twice the size of China on the map when it comes to the number of people who live on $50 to $100 a day. Nigeria dwarfs the United States when that number goes down to the number of people living on $1 a day.
These maps come from a "bunch of map geeks" at the University of Sheffield in England. Browse their great maps at: Worldmapper.org