> I would guess they have built something into chrome that gets even more data that isn't user-agent based.
Chrome includes a unique installation id in requests to Google owned domains. They don't need any cookies or user agents to guess who you are and best of all they don't have to share that information with their competition.
Chrome includes a unique installation id in requests to Google owned domains. They don't need any cookies or user agents to guess who you are and best of all they don't have to share that information with their competition.
https://news.ycombinator.com/item?id=22236106