4 ms·
Yeah GPS casts too wide a net (imagine being in New York- everyone in a 80-story office building would be within margin of error of a single GPS point). Blueto
by joelkek 7y ago
Yeah GPS casts too wide a net (imagine being in New York- everyone in a 80-story office building would be within margin of error of a single GPS point).
Bluetooth seems like a better solution, and the Singapore one does it in a privacy-preserving way while storing all data on the phone. Only when a user is infected, then are they asked to upload data.
https://tracetogether.gov.sg https://tracetogether.gov.sg
- ryanisnan 7y agoHow does this work if one has a bluetooth receiver off?
- true_religion 7y agoIt doesn’t. It also doesn’t cover people without phones, like most children. Or people with feature phones that don’t have Bluetooth. Yet it’s still better than nothing.