Apple and Google made a rare joint announcement in April 2020: these two competitors would be working together on creating systems to allow for something they called privacy-preserving exposure notifications’, which is now commonly referred to as GAEN (Google/Apple Exposure Notifications).
Apple and Google responded to challenges we and others faced in building a privacy-protecting app to notify communities and individuals of potential exposure to COVID-19. Read more about Apple and Google’s commitment to privacy here.