The data is interesting, I’m not too keen on the circular design, but the information here is good food for thought:
http://www.informationisbeautiful.net/visualizations/colours-in-cultures/
Color
When we talk about colors and color harmonies, its often hard to see what kinds of things pros use to create their images. This is a really interesting visualization of the color palettes used in ads. The images are pretty striking: Lucious (by Viegas and Wattenberg).