Tutorials
NOTE: students enrolled in institutions of higher education can get a free one-year license - look here

Here's an online tutorial from Google

"This page contains computer software and documentation for creating density-equalizing maps or "cartograms"..." (see http://www-personal.umich.edu/~mejn/election/2012/ for example)

Use this Zotero add-on to generate visualizations and connections with the bibliogrpahic data and searchable PDFs in your Zotero library (uses MALLET)

Converts shapefiles to Google Fusion Tables

via Tableau, a provider of dataviz software. [PDF]

Some really cool visualizations - take a look at the interactive Population Bracketology one from March Madness date 3/18/2013

(fopr fun...)