[backstage] data visualisation links

[Simon Cobb]

Despite its use of the word 'awesome', this article led me to some
interesting stuff:
 
http://mashable.com/2007/05/15/16-awesome-data-visualization-tools/
 
hope it does the same for you. 
 
Disclaimer: I forward it for the ideas/ concepts deployed by these
sites, not for their accessibility