TweetPsych.com

If you've ever wondered what tweets say about the person sending them -- besides that they're eating tuna or throwing rocks at the Iranian secret police -- this online tool created by a local social/viral marketing scientist uses two linguistic analysis algorithms to scrutinize the contents and build a psychological profile that measures characteristics like how much they admire themselves or write about sex -- subtle references the naked eye would never be able to discern from Jenna Jameson's feed.