Researchers at the University of Vermont sifted through more than 10 million geotagged tweets from 2011 to map out the moods of Americans in urban areas.
They ranked the locations based on frequency of positive and negative words using the Mechanical Turk Language Assessment word list.
The list includes 10,000 words that have been rated on a scale 1 to 10 according to how "happy" they are.
Negative words such as mad, hate, no, boo, smoke, jail, as well as a colorful and thorough assortment of expletives were attributed to 'sad' tweeters.
Happy words include the omnipresent LOL and haha, as well as good, nice, sleep and wine, and food or beach related words. According to the list, rainbow is one of the happiest words and earthquake is one of the saddest.
The research showed that coastal areas were more chipper in general than landlocked areas, and the cities with a higher density of tweets tended to be less happy. Check out the happiest and the saddest states.
To see all the states on the list and check out the original research, click here.
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