A look at South Korea's Epidemic Investigation Support System which uses cellphone location and credit card data to trace the movements of COVID-19 patients (Reuters)

Reuters:
A look at South Korea's Epidemic Investigation Support System which uses cellphone location and credit card data to trace the movements of COVID-19 patients  —  SEOUL (Reuters) - When a man in Seoul tested positive for the new coronavirus in May, South Korean authorities were able to confirm …

from Techmeme https://ift.tt/36q84ls