Retail NZ says many shops are itching to use facial recognition technology, and are keeping a close eye on a supermarket trial of the system starting today. Up to 25 New World and PAK'nSAVE supermarkets in the North Island are rolling out the technology. However, it has some lawyers and advocates deeply concerned. Hamish Cardwell reports [embed] https://players.brightcove.net/6093072280001/default_default/index.html?videoId=6346457897112