It's not really possible to ban steganography, is it?
> That future lies halfway between now and 1984. So let’s stay off that timeline, shall we?
> Call a spymark what it is. A spy tool used to spy on you and everyone you interact with.
Why? I assume by default that it's uniquely identifiable, because it just makes sense for OAI and Google (tracking misuse at the very least), it's trivial to implement and trivial to hide or plausibly deny.