Korea deploys QR-code system nationwide - Asia Times
▻https://asiatimes.com/2020/07/korea-deploys-qr-code-system-nationwide
Prior to the implementation of the QR code entry system, technological innovations included a tracing app that all incoming travelers, Korean or foreign, are required to download at airports after their arrival in the country. Via the app, travelers self-report their health conditions to centralized authorities on a daily basis for 14 days. South Korea subsequently integrated multiple databases under the leadership of the Korean Centers for Disease Control and Prevention in order to enable fast, detailed and accurate contract tracing.The databases of police CCTV, cellular phone GPS, credit card transactions, public transport users and immigration entry have all been interfaced to generate a huge amount of big data. Mined by AI, this automated system produces highly detailed, 14-day route and activity tracks of infected people in only 10 minutes.
Prior to the activation of the integrated system, manual contact tracing of infected persons by “data detectives” took days.
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