California Partners With Apple and Google For COVID-19 Contact Tracing On Phones

California is partnering with Apple and Google on an app to let people use their phones to track potential exposure to COVID-19. CNET reports: The digital system uses Bluetooth signals from people's phones to alert them if they've been in contact with someone who's tested positive for the novel coronavirus. The project takes advantage of two of the world's most popular operating systems -- Apple's iOS and Google's Android -- to potentially reach billions of people. To use the features, people can download the app, called CA Notify, starting Thursday. On iPhones, people can turn on the alerts in their phone settings. The companies said they intend to shut down the tools after they are no longer needed to fight the pandemic.

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