>and advertisers will use ip address and/or browser fingerprinting to track across domains. and people will come up with ways to set and spoof what kind of hea

>and advertisers will use ip address and/or browser fingerprinting to track across domains. and people will come up with ways to set and spoof what kind of headers their browser sends. but your right, where we are today is where people that care enough to circumvent tracking, do circumvent it.