»Humans can be tracked with unique 'fingerprint' based on how their bodies block Wi-Fi signals:
Wi-Fi spy with my little eye that same guy I saw at another hotspot. Researchers in Italy have developed a way to create a biometric identifier for people based on the way the human body interferes with Wi-Fi signal propagation.«

If this is not also used for manipulating advertising of all kinds of interests?

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

#wifi #privacy #mobile #tracking #spy #fingerprint #mobilespy