Tracking Users By IP Address

[Paul Rubin]

Fuzzyman <fuzzyman at gmail.com> writes:
> Assuming that each visitor will have a unique IP address is probably
> not 100% accurate but will have a reasonably low margin of error !! 

Nah, you can't rely on that at all.  For example, all N zillion AOL
users come through only a few hundred different IP addresses.  And
SOMETIMES you get those proxy headers other people have mentioned, but
not all that often.