TikTok has agreed to strengthen its privacy communication, specifically around young users, after a joint provincial-federal investigation found the app's current practices inadequate.

Federal privacy commissioner Philippe Dufresne said TikTok is one of the most popular social media apps in Canada and the one that is most used by Canadian children and teens. He said the app collects "vast amounts of personal information about its users, including children," and that data is being used to target the content and ads that users see.

He said the app uses the information it collects, including biometric information to estimate users' age for its own business purposes.

"Our investigation found that the measures that TikTok had in place to keep children off the popular video-sharing platform a

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