Randy Krum    Designer | Author | Instructor | Speaker

Randy Krum

Designer | Author | Instructor | Speaker


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FREE Sample Chapter

Population Heat Map


From CraigStats, the image above shows the population per square mile in the San Francisco area as a pseudo heat map. The site also has combined the apartment listings on Craig's List with Google maps to create pseudo heat maps showing the areas with the most apartments.

WiFi Detector T-Shirt

Flight Patterns