1. Bluetooth instead of GPS
2. Broadcasts anonymous key instead of static identity
3. No central database of key interactions

What do my privacy/security friends think about this? https://www.theverge.com/2020/4/10/21216484/google-apple-coronavirus-contract-tracing-bluetooth-location-tracking-data-app
Apple and Google are building a coronavirus tracking system into iOS and Android

It will use Bluetooth connections, not location tracking

https://www.theverge.com/2020/4/10/21216484/google-apple-coronavirus-contract-tracing-bluetooth-location-tracking-data-app
I know @daniellecitron wants proof of concept first.
In addition to this, are we sure that BTLE contact tracing would work reliably? https://twitter.com/moxie/status/1248707315626201088
See this thread for how BTLE contact tracing might not even work. https://twitter.com/ashk4n/status/1248659871622291456
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