Ad tech firms grapple with new rules

Online advertising giants have promised to rein in the sharing of sensitive personal data for targeted ads, but some still doubt they can comply with tough new data protection rules. At a conference organised by the Information Commissioner’s Office this week, two of the biggest names in ad tech outlined moves to restrict the amount…

Accuracy and Facial Fecognition: What You Need To Know

One of the big debates about facial recognition is how accurate it is. It’s a debate we consciously didn’t explore in our BBC Click report. That’s because as soon as you start talking about accuracy you get into an important but very gnarly debate about statistics. However, given the amount of interest the story has…

The Police National Database (PND)

I spent a year following facial recognition’s rapid roll-out across the UK for BBC News. So-called “live”or “automated” systems are capable of instantly matching people who walk past a camera against a database of file photos. For the two police forces testing the technology, South Wales Police and the Met, that database is often drawn…