How Apple and Google will let your phone warn you if you've been exposed to the coronavirus
- Written by Johannes Becker, Doctoral student in Electrical & Computer Engineering, Boston University
Apps that warn about close contact with COVID-19 cases are key to relaxing social distancing rules.Walter Bibikow/Stone via Getty ImagesOn April 10, Apple and Google announced a coronavirus exposure notification system that will be built into their smartphone operating systems, iOS and Android. The system uses the ubiquitous Bluetooth short-range...


