The new book, “Weapons of Math Destruction,” calls out many worrying trends in the application of big data, with particularly salient entries on higher education rankings, for-profit universities, the justice system, insurance, and employment.

The new book, “Weapons of Math Destruction,” calls out many worrying trends in the application of big data, with particularly salient entries on higher education rankings, for-profit universities, the justice system, insurance, and employment.