How Apple and Google Are Enabling Covid-19 Contact-tracing
The tech giants have teamed up to keep track of the spread of infections
Since COVID-19 began its spread across the world, technologists have proposed using so-called contact-tracing apps to track infections via smartphones. Now, Google and Apple are teaming up to give contact-tracers the ingredients to make that system possible—while in theory still preserving the privacy of those who use it.
On Friday, the two companies announced a rare joint project to create the groundwork for Bluetooth-based contact-tracing apps that can work across both iOS and Android phones. In mid-May, they plan to release an application programming interface that apps from public health organizations can tap into.
The API will let those apps use a phone's Bluetooth radios—which have a range of about 30 feet—to keep track of whether a smartphone's owner has come into contact with someone who later turns out to have been infected with COVID-19. Once alerted, that user can then self-isolate or get tested themselves.
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