Keir Starmer will address tech chiefs as speculation mounts that a ban on social media for under-16s will be announced within days. The Prime Minister is set to give a speech this morning warning that artificial intelligence (AI) must work for everyone and announcing new tools to help people find jobs. He is also expected to make an announcement on online safety. Children's commissioner Dame Rachel de Souza said: "We need action to address technology companies' unfettered access to children,