A supermarket in the UK is testing facial recognition cameras in two of its shops to crack down on shoplifting.    If the eight-week trial goes well, Sainsbury’s will consider rolling it out to other stores.   They say it will tackle retail theft, which has risen sharply in the UK in recent years.   Others say it’s an invasion of privacy. Here, four experts debate the details.   Tap the link in BBCNews’s bio to more from the debate on facial recognition.    (BBC, Getty)   #FacialRecognition #Privacy #BBCNews