Great visualization via FlowingData that takes the United States, Europe, China, Japan, and India and places them within the continent of Africa to give you a better sense of the relative size of the continent.  It is a great example of how relational visualization can make an impact.

It also reminded me of this episode of The West Wing, where C.J. and Josh are briefed on how the Mercator projection map that we all use distorts the relative size and position of the continents.