AI | Innovation | Robotics on Instagram: "Your iPhone is secretly flashing invisible light at your face every few seconds and you can’t even see it 👀 Use an infrared camera and it looks like your phone is taking secret photos of you 🤯 But here’s what’s actually happening: it’s your Face ID system! The infrared sensors detect when you’re looking at the screen, keep your display lit while you read, and securely unlock your phone. Your iPhone isn’t saving pics of you, it’s just mapping your face