[hibbelig]

They stopped a representation that allowed them to identify that the same person visited again. That’s an id number. They guessed age and gender.

[YetAnotherNick]

By ID, gp likely means government id, not identification by face. I can recognise my neighbours, but that doesn't mean I have their personal information.

[hibbelig]

In Europe, data that can be used to identify a person is also protected. For example, IP address plus timestamp is protected. Because you could obtain customer information from the ISP.

That's how I understand things.