This is exactly the kind of situation where you want public health authorities to have cell phone location data, however coarse-grained it is, to create a list of possible contacts. Note that a bluetooth contact tracing app would be (even more) useless in this case https://twitter.com/samdolnick/status/1259491120188456963 …
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The kinds of questions we need to answer are not "did I come within an arbitrary distance of an infected person" with seven layers of cryptowank to make sure nobody learns each other's names, but "who was at or near this venue last Saturday, and how can we reach them?"
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This is much more invasive of your privacy than the alternative
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No, it doesn't leave you the choice, since you're already being tracked. It just adds thousands of more places where data can leak or be stolen
2:02 AM - 11 May 2020
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