Superior virus-tracing technology has been sidelined in NSW. - AAP 1 of 1 5370537724001 Superior technology used to trace COVID-19 in NSW has become redundant overnight in some businesses after the state government enforced its own QR code. The new requirement proved a waste of money for Fay Thompson from Lake Macquarie Tavern who earlier invested in one service which provided facial recognition technology among other advanced settings. She said the NSW QR code did not satisfy her business requirements. "It's not real good for our customers, we do have an aging population and our hotel is in...