In my opinion - these types of data are poor proxies for the ground truth we really seek: actual #COVID19 infection rates -- which can only be truly known by widespread testing. If we had testing in place, it would make the need to pursue these privacy-invasive techniques moot
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While I suspect these tools will be framed as 'voluntary / opt-in' -- they will eventually become compulsory once policymakers begin to rely on them in order to decide, for example, who can leave the house or who can return to work -- setting an incredibly dangerous precedent.
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This is what happened in China -- where Chineses citizens needed to show their 'red/orange/green' code before they were permitted to leave the house or to use public trans, etchttps://www.nytimes.com/2020/03/01/business/china-coronavirus-surveillance.html …
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This type of approach is likely to generate significant FALSE POSITIVES and FALSE NEGATIVES -- which is highly problematic when this data is (eventually) used to make decisions that will affect citizen's freedoms -- voluntarily or not.
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Bluetooth signals traverse walls, linking you to your neighbor even if you've never actually been in actual physical contact (for example, in an apartment building).
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Similarly, we don't necessarily carry our smartphones all the time -- for example when meeting a delivery person in front of their house, etc -- and many individuals (i.e children and the elderly) don't have smartphones. This will lead to SIGNIFICANT false negatives.
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MOST IMPORTANTLY there's a REAL risk of abuse from these apps -- generating false alarms and Denial-of-Service attacks from people falsely flagging that they're infected with COVID19 (crying 'wolf) -- thereby potentially affecting the others they've digitally been in contact with
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The
@Google/@Apple Privacy-Preserving Contact-Tracing API specification is here: https://www.apple.com/covid19/contacttracing/ … (reading now)Show this thread
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@threadreaderapp, please track and unroll this memetic infection. - Show replies
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