https://www.theregister.co.uk/2018/08/07/tokyo_2020_plans_to_use_facial_scanning_tech_on_olympians_volunteers_staff/

Automated facial recognition systems from Japanese biz NEC will be used on staffers and athletes at the Tokyo 2020 Olympics.

The technology – which is not without its detractors in the UK – was demonstrated at a media event in the city today.