Our retrospective on what went wrong with #DigitalContactTracing including #ExposureNotification is now also up at https://preprints.jmir.org/preprint/49560, where there is an Open Peer Review process until June 15.

Think of how we replaced #ContactTracing with #ExposureNotification. Contact tracing has a qualitative foundation: public health workers establish rapport with infected people, win their trust, and get them to fully enumerate the places they've been and the activities they participated in.

By contrast, exposure notification measures whether two Bluetooth radios were within range of each other for a predetermined interval.

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Govt.-Backed Contact-Tracing Apps Raise Privacy Hackles - New opt-in COVID-19 Exposure Notifications Express systems baked into Apple’s iOS and available on... https://threatpost.com/govt-contact-tracing-apps-privacy/159109/ #electronicfrontierfoundation #exposurenotification #mobilesecurity #contacttracing #datacollection #gavinnewsom #legislators #california #lawmakers #covid-19 #privacy #google #apple

Apple and Google launch COVID-19 contact tracing API - The first phase of Apple and Google's contact tracing framework allows public health authorities a... more: https://nakedsecurity.sophos.com/2020/05/22/apple-and-google-launch-covid-19-contact-tracing-api/ #exposurenotification #google #apple #api