Hedonometer or the ‘Happiness Meter’ is a device that measures the level of happiness amongst the blogger and twitter users. The device has been developed by Peter Dodds and Chris Danforth, scientists from Vermont. The software analyzes blogs and tweets to find out the happiest and the saddest days in the last few years.
“We wanted to capitalize on the explosion of blogs and now Twitter to build an instrument that would give us some measure of the emotional signal from a large collective of people,” said Peter Dodds, a researcher at the University of Vermont and co-author of a new paper in the Journal of Happiness Studies.
“All this new data is basically helping us gain insight into social phenomena that didn’t exist a few years ago.”
The Happiness Meter scans all the blogs and the tweets to find sentences starting with ‘I feel’ or ‘I am feeling’. The word following these phrases are rated on a scale from 1 to 10. Total 1,034 ranked words include ‘triumphant’ at 8.87 while on the lower side of the scale is ‘hostage’ at 2.20.
A study of about 10 million of these sentences have concluded that the happiest days in the recent years are the election day (Nov.4) and President Obama’s Inauguration day (Jan.20) when people generally used the words like ‘proud’ and ‘pride’. The saddest days have been the 9/11 anniversary and Michael Jackson’s death.
While the results calculated till now have come out through blogs, of which 90% are from United States, the scientist are now expanding their result to the world by analyzing tweets. Soon you would be able to know the happy and the sad days of the world along with that of your neighborhood. I Feel Happy 
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