Do we need more innocence? Experts and parents worry that using smartphones is damaging young people's mental health. Some think it is time to stop letting children spend so much time online.
UK plans under 16s social media ban
Switch off: Australia’s parliament will vote in two weeks on stopping anyone under 16 from accessing social media platforms such as TikTok, Instagram and Facebook. The ban is expected to become law and will take effect a year later. 