The massive expansion of biometric identity infrastructure just hit a tipping point with 25 states now mandating facial scans or ID uploads for web access. For developers working in computer vision and biometrics, this represents a massive shift in how we architect identity systems. We are moving away from siloed, opt-in facial analysis and toward a permanent, state-level biometric checkpoint architecture.

The technical implications are significant. We are seeing a move from simple facial age estimation—which uses probabilistic models to guess age based on facial features—to formal facial comparison. In the latter, a live capture is compared against a government-issued document using Euclidean distance analysis to verify identity.

Inference vs.…