Comment by sneak
6 days ago
It’s done in Europe’s second busiest airport, Amsterdam Schiphol. I saw the advisory signs (so they can pretend that you gave informed consent by walking out of the jetbrige) up just last week.
https://media.licdn.com/dms/image/v2/D4D12AQHCyctOFz_EJg/art...
The URL which explains the technicalities [1].
[1] https://www.linkedin.com/pulse/what-wi-fi-bluetooth-tracking...