Heres how Apple and Google will track the coronavirus with Bluetooth

Apple and Google have announced a hugely ambitious — and potentially controversial —contact tracing system designed to help users prevent spreading the novel coronavirus by figuring out who has had contact with infected patients.

While details on the system are still slim — given how early in development the project is, not even Apple and Google have figured everything out here yet — we do know a few things, including that the companies are planning to use Bluetooth Low Energy (Bluetooth LE) radio technology as the core of the system.

As the name suggests, Bluetooth LE is a low-powered alternative to standard Bluetooth technology, with a focus on shorter bursts of connectivity that use less power than a traditional, constantly...

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