There's doubts a social media ban would prevent youth from accessing the online platforms. 

Australia is exploring a ban and has launched an authentication trial, but it's unknown how it will be enforced. 

Our Prime Minister has expressed interest in the idea. 

But Social media expert Katie Brown told Mike Hosking a ban wouldn't stop kids lying about their age, as generations have done before. 

She says young people will find a way to get on to the platforms they want to be on. 

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