They troll mountains of online data seeking economic indicators
(NEWSER) - Web-based tools have become increasingly adept at measuring a critical economic indicator: the nation’s mood. Whereas old indicators were based on surveys, these applications sift through mountains of online data, the San Francisco Chronicle reports. TweetFeel, for example, looks for select words and emoticons on Twitter. Other systems do the same for blogs. Emotionr.com even has a running world happiness score—currently at 6.15 out of 10. More»