Well, I hope this doesn't turn into a "What I read in the NYTimes" blog, but this article on trolls was interesting: http://www.nytimes.com/2008/08/03/magazine/03trolls-t.html. When I have students work online, inevitably we run into troll-like characters. Recently, a group working on Wikitravel ran into a fellow wikitraveler that, while maybe not a troll, gave students insight into many of the characteristics and activities mentioned in the article.
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