Microsoft's Bing World Cup prediction engine on Cortana virtual assistant is 12-for-12 at predicting games

[youtube https://www.youtube.com/watch?v=uVyh-QTfPCU&w=620&h=315]

Microsoft added a World Cup prediction engine to the Cortana virtual assistant program on June 28th (about two weeks after the World Cup actually began). Since then, it's 12-for-12 at predicting winners. That's absurd, because those 12 games involve Costa Rica's surprising run to the quart…