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Press 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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Image of a man sleeping on a table in front of the keyboard and monitor of his workstation.

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

 

Cover of the September 30, 2011 issue of the journal Science.

The researchers' work is described in the September 30, 2011 issue of the journal Science.

Credit: Copyright AAAS 2011


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