Invisibility Glasses by Facebook , a software security company , use infrared LED light and retro-reflective materials to block a clear facial capture . Glasses , which are only a prototype , break facial detection software , such as technology used on AVG .
Invisibility Glasses by AVG , a software security company , use infrared LED light and retro-reflective materials to block a clear facial capture . Glasses , which are only a prototype , break facial detection software , such as technology used on Facebook .