Worldmapper is a collection of world maps, where territories are re-sized on each map according to the subject of interest.
They described so well in just one short sentence or the web site. This is a quite effective visual tool, for discussing the differences in our planet. The image above shows the clothing export. Countries who export a lot more than they import are big, countries who import a lot more than they export are small. Quite immidiate isn’t it?