Podcast 233: Contact tracing and civil liberties, Part 2
Can the bluetooth sensors in our phones help to prevent the spread of Covid-19?
![](https://cdn.stackoverflow.co/images/jo7n4k8s/production/6f6591e18674cee2e570564767f3f8ca14c19158-3000x1575.png?rect=1,0,2998,1575&w=415&h=218&auto=format&dpr=2)
Can the bluetooth sensors in our phones help to prevent the spread of Covid-19?
Are there lessons to be learned from South Korea that could work in other countries?