While on the topic of maps here’s a Microsoft Virtual Earth mashup — US Demographics Visualizer. It allows the user to map US census data by county. Map population, age, ethnicity, election results, and income. It’s not quite as responsive as the Competitive Edge Explorer, but if you’re looking to explore country-wide census data, then it’s worth taking a look at.
US Demographics Visualizer Using Virtual Earth
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Timeline of California Wildfires
The wind was blowing smoke and ash from wildfires further up north from where I live. The sky turned an eerie orange. I wondered about past fires and made the chart below.