On Jul 26, 2011, at 8:29 PM, Matt Addison wrote: > On Jul 26, 2011, at 20:08, valdis.kletni...@vt.edu wrote: >> There's a subtle but significant difference between what cookies give you, >> which is "This is the same entity that visited our page at 7:48PM last >> Tuesday", and what easily trackable IP addresses give you, which is "This is >> an >> entity located at 1948 Durhof Street". > > With how much identifying information user agents leak nowadays [1] > this is almost a moot point. If you can be uniquely identified through > the user agent- does it really matter that they can uniquely ID the > household as well based on prefix information?
That depends on what happens when ISPs do start giving residences /48s and ARIN starts asking for the SWIP details on blocks that large. Matthew Kaufman