Business Insider – Canada on Friday launched a nation-wide contact tracing app to help inform Canadians when they may have been exposed to the coronavirus, part of a broader effort to contain the virus as businesses and public spaces reopen across the country.

The app uses bluetooth to send random codes between phones, and can trace and contact people who have been exposed to an individual who later informs the app they tested positive for COVID-19.

Read more at Business Insider.

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