The normalization wireless biometric ID continues:

> Following the approval of the IEEE 802.11bf specification in 2020, the Wi-Fi Alliance began promoting Wi-Fi Sensing, positioning Wi-Fi as something more than a data transit mechanism.

Interesting how everything converged between 2019-2021.

> "The encouraging results achieved confirm the viability of Wi-Fi signals as a robust and privacy-preserving biometric modality, and position this study as a meaningful step forward in the development of signal-based Re-ID systems," the authors say.

https://www.theregister.com/2025/07/22/whofi_wifi_identifier/