Wednesday, December 21, 2011

Study finds Twitter reflects Americans’ mood is gloomy

By The Salt Lake Tribune

Our overall happiness is apparently in decline.

How do we know? It’s on Twitter.

A team of mathematicians from the University of Vermont analyzed 4.6 billion Twitter messages worldwide over 33 months. They assigned happiness grades to more than 10,000 of the most common words, crunched all the numbers and plotted them on a graph that shows a gradual downward slope

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