Tech prof offers tips on how to safely use social media apps

Saskatoon Morning

It's been almost three years since the 16-year-old was last seen. In hopes of finding more information on the case, RCMP have released never-before-seen videos of Bali's last known 24-hours. Through these videos, we see that she's on her phone a lot... And a huge chunk of that usage is unaccounted for through her telephone provider. Investigators suspect it's because the teen is using social media apps. To help us understand, we reached Alec Couros.

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