Frances Haugen

Earlier this month, the U.S. surgeon general issued an extraordinary warning: Social media is an "important driver" of a mental health crisis among young people. For Facebook whistleblower Frances Haugen, that came as no surprise.

The fallout from a Facebook whistleblower's explosive revelations this month continues to descend on Canada as politicians and experts grapple with how to regulate Big Tech amid renewed questions on the harm it can wreak.

A broad swath of Canadians has a sour view of Facebook, with half of respondents to a new poll saying it should be regulated or broken up as a "corporate image" crisis rocks the social media giant yet again.