I don't find it excessively nitpicky. It's relevant. Please elaborate.
It seems that somewhere the data has to be associated in some way with a
distinct user.
On 10/27/11 1:14 PM, Jonathan Mayer wrote:
> Fragmented or probabilistic tracking data might not be stored with a
> hash or other single identifier. The privacy risk would, of course,
> be the same. (I don't mean to be excessively nitpicky - a few months
> ago my team looked at a third party doing fingerprinting of just this
> sort.)
>
> On Oct 27, 2011, at 9:02 AM, David Wainberg wrote:
>>
>>> On Oct 25, 2011, at 2:13 PM, David Wainberg wrote:
>>>
>>>>
>>>> On 10/24/11 8:18 PM, Jonathan Mayer wrote:
>>>>>
>>>>> I would strongly oppose limiting our definition of tracking to
>>>>> only cover pseudonymously identified or personally identified
>>>>> data. There are a number of ways to track a user across websites
>>>>> without a single pseudonymous or personal identifier.
>>>> I'm not sure what you mean here. Can you provide examples?
>>> Any means of tracking that relies on fragmented or probabilistic
>>> information. For example, browser fingerprinting. (See Peter
>>> Eckersley's paper "How Unique Is Your Web Browser.")
>> Ah. I would have included that in pseudonymously identified, because
>> if data is stored against it by the server, it will be stored against
>> a hash or something based on the fingerprint.
>