Weapons of Math DestructionA former Wall Street data scientist sounds an alarm on the mathematical models that pervade modern life and threaten to rip apart our social fabric We live in the age of the algorithm. Increasingly, the decisions that affect our lives whether we get a job or a loan, how much we pay for insurance are being made by mathematical models. In theory, this should lead to greater fairness everyone is judged according to the same rules, and bias is eliminated.