Michael Barnett: Marketers sorely need GDPR to guide them, but can it be enforced effectively?

If the Cambridge Analytica saga has shown us anything, it is that new data protection laws are long overdue – and that most UK marketers would not dare argue. Most, in fact, would agree it is now a matter of strategic importance to restore consumers’ trust in how their businesses use data.
The Cambridge Analytica story surely marks the first time a marketing segmentation model has had such wide and profound implications for society, taking in the election of a US president, the UK&rs