Algorithms can decide your marks, your work prospects and your financial security. How do you know they’re fair?

Algorithms are increasingly being used to make decisions that have a lasting impact on our current and future lives. There is a growing public awareness that algorithms, especially those used in forms of artificial intelligence, need to be understood as raising issues of fairness. But while everyone may have a vernacular understanding of what is fair or unfair, when algorithms are used numerous trade-offs are involved.