Here's an interesting new use of Twitter, courtesy of Rachel Bernstein at EveryONE:
Today, we added to this growing body of work with a report of a Twitter-based “hedonometer” that can be used to quantify the societal happiness of large populations. The authors used an amazing library of 46 billion words from nearly 4.6 billion tweets posted over almost three years by over 63 million unique users – a collection that would have been essentially impossible to obtain without the Twitter-verse.
Previously: Analyzing H1N1 vaccination rates and attitudes using Twitter data and Mining Twitter data to track public health trends
