2010 U.S. Election Ratings Map
Google have teamed up with Cook, Rothenberg, CQ-Roll Call and RealClearPolitics to create a Google Map to display the current ratings of the Democrats and Republicans in the midterm elections.
The map uses Google Fusion Tables with the Google Maps API v3. Google have even provided a tutorial to show you how you can build your own similar intensity map with custom boundaries.
The states are shaded on the map according to one of the sources’ ratings of the Senate race. If you click on the sidebar links you can switch between the House or Governor races. The data on the map will be updated daily based on the latest ratings.
Via: Official Google Blog