Japanese Professor Creates Glasses to Disrupt Facial RecognitionTo the average person, facial recognition is a nice feature. It helps you autofocus more accurately and it lets you tag your friends more quickly on Facebook. Professor Isao Echizen isn't a fan though, and expresses concern that facial recognition can be used to invade privacy.
As a response to the tech, he's created glasses that utilize infrared LEDs to prevent cameras from being able to recognize a face. The infrared light, while invisible to humans, shows up as a bright purple on CMOS and CCD sensors.
The glasses Echizen has created aren't exactly stylish, or subtle, but they could easily be a stepping stone on the way to giving people a bit more privacy.