The cult British sci-fi TV series Black Mirror had an eerily prescient episode called ‘Nosedive’ where a smartphone-addicted populace continually rated each other on their social interactions. That data stream ended up dictating all aspects of a person’s life. It’s hardly far-fetched; anyone who has ever taken an Uber knows about its ranking system. China has already announced plans to develop a social “score” for its citizens, which can rise or fall depending on their actions—or infractions—rewarding them for good behaviour and punishing them for poor deeds. The ASFA Spotlight on Member Engagement recently looked at how data can be...