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One phone for contact tracing, agri-info, online schooling

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Contact tracing can replace pandemic lockdowns. But it is only as good as a subjects memory. After days of track down interviewees may not recall all recent whereabouts and with whom. Tech can fill those memory gaps to effectively fight COVID-19.

Contact tracing can replace pandemic lockdowns. But it is only as good as a subjects memory. After days of track down interviewees may not recall all recent whereabouts and with whom. Tech can fill those memory gaps to effectively fight COVID-19.

Being perfected are apps that run on Bluetooth low power or Wi-Fi. Voluntary on users part, they do not ask for personal data that can be bases for mass surveillance, as in China. Cryptography records in a users gadget those with whom he had contact, when, and for how long, but not any SIM or serial number. Each encounter randomly is assigned a code, stored in the gadget, never in any Big Brother databank. If one user happens to get infected or shows symptoms, he alerts the system without identifying self or location. Other users recently exposed to him are in turn alerted to potential need for testing and isolation. (See https://www.wired.com/story/covid-19-contact-tracing-apps-cryptography/). Google and Apple jointly will launch a prototype soon.

For contact tracing apps to work everyone must have a smartphone.

See full article at Philstar

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