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Meta's smart glasses companion app ships a complete, dormant face-recognition pipeline on a stock account.

buchodi.com · 1,504 words · saved by 1 readers

Stella is the companion app for Meta's smart glasses. Inspecting version 273.0.0.21 of the Android build (com.facebook.stella), I found the entire computational and storage stack for on-device facial recognition: three face models, a local database schema, a cosine-similarity vector index dimensioned to match the models,

Stella is the companion app for Meta's smart glasses. Inspecting version 273.0.0.21 of the Android build ( com.facebook.stella ), I found the entire computational and storage stack for on-device facial recognition: three face models, a local database schema, a cosine-similarity vector index dimensioned to match the models, a write path that stages biometric records to disk, a fully wired notification surface, and a user-facing "Connections" widget. I want to be precise about what that does and does not mean, because the gap between the two is important. What I can demonstrate: the machinery is

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