> On 25 Apr 2020, at 19:38, Marc Sunet <[email protected]> wrote:
> 
> Sorry, I still don't understand how the system you describe in that
> video would work at scale, nor how it protects people's privacy.

The video is not intended to answer these questions. 
It aims to show how exposure can be avoided.


> 
> 
> I also don't see how the system would work at scale. In example (1),
> rooms 1 and 2 are marked as contaminated simply because the person "was
> feeling under the weather”.

The rooms are marked contaminated as a result of a test, in the first instance.


dss

> 
> Marc
> 
> On 4/25/20 12:46 AM, David Stodolsky wrote:
>> 
>>> On 24 Apr 2020, at 22:43, msunet <[email protected]> wrote:
>>> 
>>> Another one I forgot: what about asymptomatic transmission, which seems 
>>> quite big on this virus? (I think recent estimates in the US give 5-20 
>>> unknown infected for every known case; forgot the reference, sorry). I 
>>> don't see how the tact systems can help with that; those people might never 
>>> know they are carriers.
>> This issue is dealt with in my proposal:
>> 
>> https://groups.io/g/MedicalEthics/message/57
>> 
>> 
>> This movie shows operation of a central location service that supplies info 
>> to users that use it for local (decentral) decision making 
>> (illustrates the general principle of assessment of risk without a 
>> diagnostic test being required):
>> 
>> https://www.icloud.com/iclouddrive/0704kMeGUK13pjAZXoq4hXx4w#VirusRadarSimulation3
>> 
>> discussed in this document:
>> 
>> https://drive.google.com/open?id=0B_zxYlTkSnKQZXFsXzNwSDd3ZGs
>> 
>> 
>> dss
>> 
>> David Stodolsky, PhD                   Institute for Social Informatics
>> Tornskadestien 2, st. th., DK-2400 Copenhagen NV, Denmark
>> [email protected]          Tel./Signal: +45 3095 4070
>> 
> -- 
> GPG: 9C2A AF1D CC91 0A53 AB0A  B6A1 C457 0E01 081F 8F91
> 
> https://emailselfdefense.fsf.org/
> 
> 

David Stodolsky, PhD                   Institute for Social Informatics
Tornskadestien 2, st. th., DK-2400 Copenhagen NV, Denmark
[email protected]          Tel./Signal: +45 3095 4070

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