Amazon recently disclosed its 2015 decision to scrap a recruitment tool used to hire talent, after finding that it had a bias against women. While this story has been covered sufficiently, there is a much greater story still to tell: A substantial amount of the artificial intelligence technology that currently is used for recruitment and human resources purposes has been acting independently, without any form of regulation, for some time. Before exploring this, it will be helpful to understand why this happened with Amazon's software.