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@halvarflake We have looked at this question, and to the best of our knowledge, absolute geolocation data (cell triangulation or GPS) is not useful for contact tracing. It is too inaccurate and has relatively large error margins on top. Bluetooth and/or ultrasound *may* work.On twitter.com
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@halvarflake And above the question on effectiveness, absolute location data is simply not needed if contact tracing is the goal. You care about who you met, not where you met them. Record the proper data (relative proximity) for the question, and not anything more.Permalink On twitter.com