Global Positioning System (GPS)
After a long wait, Google and Apple release their joint COVID app technology
It uses Bluetooth technology to detect when someone who downloaded the app has spent time near another app user who later tests positive.
Now, Kerala decides to use GPS tracking to rein in coronavirus fugitivesng system to prevent persons evading home quarantine
Engineering students employed for surveillance of quarantined cases
Smartphones can be used to make cities 'smarter': study
Considering the pros and cons of each option, the decision as to which one is better becomes a non-trivial answer.
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