News Release 11-209
Twitter Helps Determine "Morning People" and "Night Owls"
Sociologists use online social networking site to track people's moods in 84 countries
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Using data from Twitter, researchers analyzed 509 million messages from 2.4 million users in 84 countries to explore the daily, weekly and seasonal variations in people's mood cycles.
Credit: © 2011 Jupiter Images Corporation
The researchers' work is described in the September 30, 2011 issue of the journal Science.
Credit: Copyright AAAS 2011
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