> The real power here is in using IP addresses in combination with other fingerprinting techniques. I didn't think that was anything new. It also sounds like

> The real power here is in using IP addresses in combination with other fingerprinting techniques. I didn't think that was anything new. It also sounds like a possible path for exploit, kind of like not requiring a password when you call voicemail from your own phone (one could spoof your number as the caller id and access your voicemail without a password).