Meta’s smart glasses companion app was downloaded more than 50 million times before anyone revealed that it already had three AI models capable of facial recognition, biometric fingerprinting and ‘authorized person’ notification.
On 4 June 2026, a security analyst named Bucciodi published a technical analysis of Stella, Meta’s companion app for Ray-Ban and Oakley smart glasses. Examining Android build version 273.0.0.21, the researcher found what they described as a complete, passive face recognition pipeline: three on-device AI models, a biometric database scheme, a dimensioned vector similarity index …