While useful for ignoring stray cats or alerting a user that a specific family member is home, this technology carries significant ethical weight. Creating a private database of facial biometrics—even of family members—raises questions about consent. Furthermore, false positives in facial recognition can lead to real-world consequences, such as unnecessary police dispatch or false accusations.
The threat extends beyond fast food to various public dining areas, often using advanced "spy-cam" technology: Hidden camera in the women-s toilet of McDonald-s