GeoGeeks love crunching and munching data, there’s no question about that! Well, for those of you looking for something very cool from Google checkout the Correlate resource tool from Google. The service lets you correlate variables of your choice and display results on a map, scatter plot or graph – Correlate lets users compare data by time series or State . the results will reveal interesting spatial and temporal trends that you can use in your analysis and research… if anything its quite a bit of fun!
Sample correlations:
Correlation of GIS jobs
Correlation of free gis data
Try for yourself at http://www.google.com/trends/correlate/