Mia Sato is platforms and communities reporter with five years of experience covering the companies that shape technology and the people who use their tools.Meta is expanding how it uses AI to detect teens on Instagram — and, in some cases, will begin overriding account settings.Instagram announced it was using AI for age detection in 2024; the system looked for signals that users were under 18 years old, like if messages from friends say “happy 16th birthday,” for example (Meta also says it use...