https://tech.newstatesman.com/coronavirus/google-and-apple-team-up-to-provide-opt-in-coronavirus-tracking-tech > Google and Apple have clarified that governments won’t be able to legally mandate the use of the bluetooth coronavirus tracking technology the two companies are partnering on. > On Friday, Google and Apple announced a joint effort to create bluetooth technology suitable for both Android and Apple phones that is designed to help governments around the world tackle the spread of Covid-19. The system will use Bluetooth technology to alert those who download the app if they’ve been in prolonged proximity to someone who has the virus.