What started as the home of song and dance videos is beset by claims of spying by the Chinese government and fears about the mental health of young users. A cybersecurity authority whose company cracked the TikTok code reveals how much data it collects and what it does with it. And, if you’ve noticed kids behaving differently after too much screen time, public health expert Dr Samantha Marsh explains why in a sobering but must-hear interview. Plus the PM on whether he restricted his kids’ access to social media, where he stands on the proposed US TikTok ban and how he’s TikToking so furiously around the Beehive if the app’s gone from all parliamentary devices.