https://www.cnbc.com/2018/03/14/this-march-madness-were-using-machine-learning-to-predict-upsets.html

"Beware the Ides of March." Yes, it's finally that time of year again: when the emperors of college basketball must watch their backs, lest the lowly bottom seeds of the tournament strike.

Before March 15, millions around the world will fill out their March Madness brackets. In 2017, ESPN received a record 18.8 million brackets.