Users Sign up for the Slatest to get the most insightful analysis, criticism, and advice out there, delivered to your inbox daily. Keir Starmer, Britain’s notoriously flaccid prime minister, has shocked the nation by actually doing something impactful this week. On Monday, he gave a speech announcing that from spring 2027, everyone under the age of 16 in the U.K. will be banned from social media. This will include all the widely used platforms like Facebook, Instagram, TikTok, and Snapchat.