Some have asked me to explain. I snooped through the source, but I think this https://www.canada.ca/en/public-health/services/diseases/coronavirus-disease-covid-19/covid-alert/privacy-policy/assessment.html does a better job. The key section is quoted below. Each device with the app installed is sending out and listening for random codes called rolling proximity identifiers (RPIs) which are not static: On a daily basis, the Google/Apple…