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Why we love it

We love how color and 3D shading work together to tell the story of US population changes from 2000 to 2010. Declining counties show up in red and shrink into the map. Growing counties pop in green and literally burst from the screen. As a bonus, you can zoom into a city to reveal more spatial details and discover changes in a particular neighborhood.

Why it works

What really makes this map useful (and smart) is the 3D shading compares nearby places using relative height. 3D especially showcases meaningful and even subtle differences within each color. For example, red simply tells us places are shrinking in population, but shading gives us relative-depth cues to indicate wide differences in losses within that category. 

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