Plausible deniability? They put it there so you can be tracked - that is what it is for.
Have you confirmed that the click through agreements and privacy policies don't mention anything like this?
Have you confirmed that the click through agreements and privacy policies don't mention anything like this?
No …? I'm not sure why I would have; I was just responding to @kerng's surprise at its presence (https://news.ycombinator.com/item?id=23180801).