The United States Census Bureau publishes hundreds of reports and statistical updates each year that are quite popular with public policy makers, researchers, and interested members of the public. This recent interactive map draws on data from the County Business Patterns program to highlight annual statistics for businesses with paid employees within the U.S. and Puerto Rico. The business...

Taking a page from Adam Smith, the motto of this delightful site is "Making the 'Invisible Hand' Visible." Under the guidance of Catherine Mulbrandon, the site brings together economic data and the powerful techniques of information visualization. She does this quite effectively through such thematic maps as "Where do Britain's rich and poor live?" and the "United States Household Income Map"....