Detect nearby mobile devices via Wi-Fi probe requests.
- Cluster by signal strength (RSSI) to approximate audience density
- Browser feasibility varies by Smart TV model
- ±30% accuracy in stable environments
- GDPR-safe (aggregated data, no PII)
QR Code Scans & Dwell Time
Track QR code scans per hour as a proxy for live engagement.
- Use Intersection Observer API to track dwell times and ad view durations
- Focused more on engagement rate than absolute traffic
- Direct correlation with viewer interest
- High-fidelity signal for audience interaction
Third-Party Location Data
Integration with established location analytics providers.
- Placer.ai: Provides historical and live venue traffic analytics
- AdSquare: Offers mobile panel demographic enrichments
- ~±15% accuracy for macro trends
- Integrated into OpenRTB bid streams