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The geographic distortion is neat.

I don't like the bubble charts though -- when loading a new set of data the bubbles are completely rearranged making a quick glance comparison between two countries difficult.

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That is one of the main problems with bubble charts. Unless you have a sophisticated packing algorithm, the layout of the chart won't have much meaning. For comparing the projects between countries, another method of display will have to be used.

Perhaps a treemap?

http://mbostock.github.com/d3/ex/treemap.html

This would have been a better choice. It displays the same sizing information but keeps positioning the same.

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