Olympic Planners Want to Scan the Faces of Hundreds of Thousands at the 2020 Tokyo Games

To employ face recognition at this scale, organisers would need to build a massive database of face data for all of the 300,000 to 400,000 officials, journalists, security, and athletes at the Games.

from gizmodo http://www.gizmodo.co.uk/2017/12/olympic-planners-want-to-scan-the-faces-of-hundreds-of-thousands-at-the-2020-tokyo-games/