<p>The government is weighing up whether or not to follow in Australia’s footsteps and ban social media for under-16s. Supporters argue that online safety efforts have failed and that children are being exposed to increasingly harmful content. Critics warn that a ban would isolate young people, let tech companies off the hook, and create a dangerous cliff-edge at 16.</p><p>Companies across the Big Tech sector have consistently said that protecting children is a priority, as is reducing the spread of disinformation on their platforms.</p><p>In today’s episode of The Fourcast, Cathy Newman speaks to Professor Kaitlyn Regehr, author of Smartphone Nation, and digital journalist Sophia Smith Galer, about what a ban would really achieve, whether regulation can ever keep pace with the platforms, and how algorithms amplify harm in ways that governments, and parents, struggle to control. </p><p><br></p>