Forget coffee stains or eye bags as proof of a hard day’s work—now your face can snitch on your brain with a high-tech e-tattoo! This futuristic forehead sticker tracks your mental grind, measuring brainwaves to reveal when you’re burning out or just slacking off. Designed for high-stakes jobs like air traffic control, it’s like having a Fitbit for your focus. Ready to wear your workload like a badge?