SOCIAL NETWORK

Researchers from the universities of Harvard and Northeastern have analyzed more than 300 million Americans tweet. The west coast is more cheerful in the east, the weekend is the time with more good humor

ROME - Allegri in the early hours of the morning, the saddest in the day, according to a study of Harvard University and Northeastern Americans' mood follows a constant trend from Monday to Sunday and during the day rises and falls just as the the sun.

By analyzing more than 300 million tweets, Twitter microblog posts left on, researchers at the College of Computer Science and Innovation at Northeastern University and Harvard University have "mapped" the mood of the people, counting on the fact that the social network is not a where it pretends. The result has been obtained by analyzing the individual words of the tweet with an algorithm developed by the Center for Research in Psychophysiology University of Florida, able to decipher the emotions.

The analysis has given rise to a dynamic map that associates changes in mood to those of color. A reproduction of the American nation can be clearly observed as are the contents of tweets throughout the day and highlights the differences between one area and one of the country.

Overall, the U.S. west coast is more cheerful than the east, and the period of the week more responsibility in a good mood is the weekend, with a real "peak" on Sunday morning. On Thursday afternoon Instead it is a dramatic moment for all and is almost always at mid-day that Twitter users are unleashed with the more acidic comments, declaring tired and impatient toward work. Things improve in the evening without ever reaching the levels of the beginning of the day.

In particular, the time slot in which the user is more positive mood is one that is 5 to 9 in the morning. From 10 onwards in the west coast and north central states began to spread the bad mood and the situation worsens gradually, adding a peak between 13 and 16. The countries on average more "happy" are those of the South, Florida, Georgia, Alabama and Louisiana in particular, while Wyoming, South Dakota, Montana and Minnesota, the most "nihilists."

It 'always more frequent than governments, agencies, surveys and research institutions use social networks to study the habits of the people and the overall characteristics of the company. The analysis of these virtual communities can detect new trends or alarming drift fanaticism and better understand the tastes and needs of new generations. What is easier to feel in a good mood in the morning and evening is a reality guessed, but be reflected in the community eliminates any possible doubt.