Maps such as cartograms substitute it's chosen variable of display for either area or distance. This creates a very distorted map, however one that demonstrates locations that are heavily influenced by the variable chosen. The map shown is one example of this distortion's intended effect as it shows the people living with HIV/AIDS across the world. Africa is blown to great proportions since it has the highest rates in the world; however Europe and Canada are greatly compressed as the number is much smaller compared to other areas in the world.
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