[avidiax]

Modern phones connect with a randomized MAC address. So yes, you can track a person around, but you will need another system (like the WiFi login page) to match MAC to identity.

[ffsm8]

Really? I thought it was only I phones that did that though?

[itintheory]

Android has been doing this for a while, too

[iberator]

windows 11 also has it.