<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 25 Apr 2020, at 19:38, Marc Sunet <<a href="mailto:msunet@shellblade.net" class="">msunet@shellblade.net</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">Sorry, I still don't understand how the system you describe in that<br class="">video would work at scale, nor how it protects people's privacy.<br class=""></div></div></blockquote><div><br class=""></div>The video is not intended to answer these questions. </div><div>It aims to show how exposure can be avoided.</div><div><br class=""><br class=""><blockquote type="cite" class=""><div class=""><div class=""><br class=""><br class="">I also don't see how the system would work at scale. In example (1),<br class="">rooms 1 and 2 are marked as contaminated simply because the person "was<br class="">feeling under the weather”. </div></div></blockquote><div><br class=""></div>The rooms are marked contaminated as a result of a test, in the first instance.</div><div><br class=""></div><div><br class=""></div><div>dss</div><div><br class=""></div><div><blockquote type="cite" class=""><div class=""><div class=""><br class=""></div><div class="">Marc<br class=""><br class="">On 4/25/20 12:46 AM, David Stodolsky wrote:<br class=""><blockquote type="cite" class=""><br class=""><blockquote type="cite" class="">On 24 Apr 2020, at 22:43, msunet <<a href="mailto:msunet@shellblade.net" class="">msunet@shellblade.net</a>> wrote:<br class=""><br class="">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.<br class=""></blockquote>This issue is dealt with in my proposal:<br class=""><br class=""><a href="https://groups.io/g/MedicalEthics/message/57" class="">https://groups.io/g/MedicalEthics/message/57</a><br class=""><br class=""><br class="">This movie shows operation of a central location service that supplies info to users that use it for local (decentral) decision making <br class="">(illustrates the general principle of assessment of risk without a diagnostic test being required):<br class=""><br class="">https://www.icloud.com/iclouddrive/0704kMeGUK13pjAZXoq4hXx4w#VirusRadarSimulation3<br class=""><br class="">discussed in this document:<br class=""><br class="">https://drive.google.com/open?id=0B_zxYlTkSnKQZXFsXzNwSDd3ZGs<br class=""><br class=""><br class="">dss<br class=""><br class="">David Stodolsky, PhD Institute for Social Informatics<br class="">Tornskadestien 2, st. th., DK-2400 Copenhagen NV, Denmark<br class="">dss@socialinformatics.org Tel./Signal: +45 3095 4070<br class=""><br class=""></blockquote>-- <br class="">GPG: 9C2A AF1D CC91 0A53 AB0A B6A1 C457 0E01 081F 8F91<br class=""><br class=""><a href="https://emailselfdefense.fsf.org/" class="">https://emailselfdefense.fsf.org/</a><br class=""><br class=""><br class=""></div></div></blockquote></div><br class=""><div class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">David Stodolsky, PhD Institute for Social Informatics<br class="">Tornskadestien 2, st. th., DK-2400 Copenhagen NV, Denmark<br class=""><a href="mailto:dss@socialinformatics.org" class="">dss@socialinformatics.org</a> Tel./Signal: +45 3095 4070</div></div></div>
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