Can teenagers outwit Australia’s social-media ban?

“We’ve got your back,” Australia’s prime minister, Anthony Albanese, told parents on November 29th, a day after pushing through some of the world’s strictest limits on screentime. One year from now, under-16s will be banned from using social media, in a move intended to protect them from harm. Teenagers groaned. Parents discreetly high-fived. Policymakers around the world took notes.