Moscow has introduced a digital tracking system to enforce a coronavirus lockdown -- but critics say the technology represents an unprecedented threat to privacy.
원문출처 : https://www.cnn.com/2020/04/14/world/moscow-cyber-tracking-qr-code-intl/index.html
원문출처 : https://www.cnn.com/2020/04/14/world/moscow-cyber-tracking-qr-code-intl/index.html