On 11 July 2012 18:42, Chris Mejia <chris.mejia@iab.net> wrote: > > From privacy groups' perspective, there cannot be a Do Not Track standard > that allows unique IDs for frequency capping of non-consenting users. > > > Why not? What's your justification? Please cite real examples of how > f-capping has negatively affected any consumer's privacy. Do you have > research to share? > Our reasons for insisting that unique ID cookies must never be used under a Do Not Track standard have been discussed many times on this list and in F2Fs. There are many, but the deepest is that unique IDs (whether for f-capping or any other purpose) make it impossible to remotely test compliance with the standard. And yes, in previous posts I shared some Panopticlick data on why the situation is somewhat better once the unique IDs are gone. -- Peter
Received on Thursday, 12 July 2012 02:53:29 UTC