 "sad, depression, mobile, smartphone, users, addiction")
Which was the saddest day of them all? According to the Computational Story Lab of the University of Vermont, it was Sunday, May 31. That day was not only the saddest day of 2020 so far, it was also the saddest day recorded by the lab in the last 13 years. Or at least, the saddest day on Twitter.
The researchers call it the Hedonometer. It is the invention of Chris Danforth and his partner Peter Dodds, both mathematicians and computer scientists and the co-directors of the lab. The Hedonometer has been up and running for more than a decade now,
