It is the home of dance tutorial videos and viral comedy sketches. But it is also host to self-harm and eating disorder content, with an algorithm that has been called the “crack cocaine of social media”. Now, the Britain’s information commissioner has concluded that up to 1.4 million children under the age of 13 have been allowed access to TikTok, with the watchdog accusing the Chinese firm of not doing enough to check underage children were not using the app. “There is self-harm content, there is nonsensical content about cures for mental health [conditions],” said Imran Ahmed of the Center...