Is Apple's COVID-19 exposure tracking technology working?

Back in April, Apple announced that it was partnering with Google build a technology framework to help governments and health agencies reduce the spread of the virus, with user privacy and security central to the design. I got COVID-19, and here's how it worked.

*Apple's Find My technology recycled for COVID-19*

Apple's speed in deploying an entirely new layer of technology for securely tracking COVID-19 exposure notifications — just weeks after the pandemic burst onto the world stage — is easier to understand when you realize it wasn't entirely new technology.

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