If you use the Swiss lounge at Zurich airport and have the effrontery of asking for Internet access, you are given a voucher, valid 24 hours. It works (well, if you are ready to watch a Mercedes ad for a full thirty seconds, no early escape unless you want to restart from scratch). Otherwise I could not be writing this article.
The voucher shows the code you musts enter into the browser. It also shows your name, your flight, your seat number. These pieces of information and the connection between then are, then, in the system. Anyone with access to that system can precisely track what you did online.
Of course I am fantasizing. No one would ever do this. Why would they?
Predictably, many people leave their vouchers lying around when they leave for their flights. So you could use someone else’s voucher to engage in some dubious or downright illicit Internet practice, and shift the blame to the other person. But no one would ever do this. Why would they?