Hacker News Reader

Even without cookies, Google stores IP addresses and can use those to correlate searches.

IP address seems incredibly unreliable in this regard. What exactly is to be gained by associating it with an IP? If a company uses one external IP, are all my searches altered/bubbled by what everybody else in the company is querying?

There's a lot more information than just IP address they can use to distinguish you: https://panopticlick.eff.org/

Reply on news.ycombinator.com