A heavily reduced version (due to possible copyright issues) of my presentation at the Rachel Carson Center Lunchtime Colloquium of January 13th, 2011.

The twitterfeed to this may be found on TwapperKeeper: http://ow.ly/1rZQVi

The analysis of the feed is instead on The Archivist: http://archivist.visitmix.com/wilkohardenberg/1