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	"TweetPsych uses two linguistic analysis algorithms (RID and LIWC) to build a psychological profile of a person based on the content of their tweets." Interesting analysis. What I don't like is that it was built by a "Social Media Scientist" who is probably using the results to find better ways to sell things.
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	Michal Migurski is doing some interesting tagging with delicious to tease out his friends' top subject areas.