Articles on Contact tracing app

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70% of people surveyed said they’d download a coronavirus app. Only 44% did. Why the gap?

Only 51% of survey participants said they supported linking the number of COVIDSafe app downloads with an easing of lockdown restrictions.
Apps that warn about close contact with COVID-19 cases are key to relaxing social distancing rules. Walter Bibikow/Stone via Getty Images

How Apple and Google will let your phone warn you if you’ve been exposed to the coronavirus

Bluetooth wireless communication makes it possible for people to get alerts on their phones when they've been exposed to the coronavirus. Adding the right cryptography scheme keeps those alerts private.

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