No, Your Phone Doesn't Have a 'COVID-19 Sensor'
by David Murphy on Vitals, shared by David Murphy to from Lifehacker on (#571GJ)
Pull up Facebook, assuming you still use it, and type COVID-19 sensor" into the search bar. This should show you a list of public posts where people-a not-so-small number of people, mind you-swear up and down that their phones were recently updated with a COVID-19 tracker" that can tell them when they've been near...