The Canadian government officially released COVID Alert, its exposure notification app, on Friday. Ontario is the first province to use it with plans to implement it in the Atlantic provinces and B.C. in the near future (other provinces may follow). I posted several tweets about the app, including one that received hundreds of likes and retweets indicating that I have installed it (the tweet included links to the Apple and Android versions of the app). Given the interest, this post expands on the tweet by explaining what the app does and doesn’t do and why I think the government has done a good job of addressing many associated concerns.

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