The increasing use of surveillance cameras in response to concerns about terrorism means that when you're in public, there's a chance you're being watched and recorded. While such security measures make some people feel safe, others worry about the implications of being watched by "Big Brother." By embedding a hat with high-brightness infrared (IR) LEDs, you can obstruct your face from being recorded by any kind of hidden, security, paparazzi, or personal video camera. To do so, follow these instructions. All used images licensed under Creative Commons. Sources: ******