I think when it first came out, it was only able to apply at some specific airport terminals, so after the link floated on the internet, some people got it to work while some just YMMV ( your mileage may vary) ...
I think when it first came out, it was only able to apply at some specific airport terminals, so after the link floated on the internet, some people got it to work while some just YMMV ( your mileage may vary) ...