When it comes to social media policing, governments are no longer waiting for tech companies to act - they’re stepping in. Australia has an under-16 social media ban, Indonesia is cracking down on non-compliant platforms and pressure is growing in India, as a new wave of regulation takes shape. But do these measures actually work? Or are the authorities always a step behind the tech giants and curious young people?  Arnold Gay speaks to Natashya Gutierrez, Chandni Vatvani and Neha Poonia about what’s driving this shift, how enforcement is playing out and if these bans can really reduce the risks.