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Re: RE: Privacy alert: Verizon is now monitoring your mobile Web habits

From: Richard Barnes <richard.barnes@gmail.com>
Date: Sat, 15 Oct 2011 23:22:53 -0400
Message-ID: <CACB24MsRa3YgQdJBivr3JRf5WWrRB8FphLzd41-QLdB0E1k+jg@mail.gmail.com>
To: Jules Polonetsky <julespol@futureofprivacy.org>
Cc: Harlan Lieberman-Berg <hliebermanberg@chitika.com>, "Steingruebl, Andy" <asteingruebl@paypal-inc.com>, "public-privacy (W3C mailing list)" <public-privacy@w3.org>, Ashkan Soltani <ashkan.soltani@gmail.com>
Cullen Jennings and I also contributed a whitepaper on the risks
ofthis model (in the context of the similar Feeva solution) at
anearlier W3C privacy
workshop.<http://www.w3.org/2010/api-privacy-ws/papers/privacy-ws-35.pdf>
On Sat, Oct 15, 2011 at 7:52 PM, Jules Polonetsky
<julespol@futureofprivacy.org> wrote:
> http://www.ipc.on.ca/images/Resources/pbd-ip-geo.pdf
>
> The above link to the paper which describes the process used by Verizon and
> Bering Media also includes a good discussion of the identification risks of
> relying on zip plus 4.
>
> -----Original Message-----
> From: public-privacy-request@w3.org [mailto:public-privacy-request@w3.org]
> On Behalf Of Richard Barnes
> Sent: Friday, October 14, 2011 6:27 PM
> To: Harlan Lieberman-Berg
> Cc: Steingruebl, Andy; public-privacy (W3C mailing list); Ashkan Soltani
> Subject: Re: RE: Privacy alert: Verizon is now monitoring your mobile Web
> habits
>
> There's a whole lot of variation. †I used to live in an apartment
> building where a ZIP+4 identified about half a floor, fewer than 10
> households.
> --Richard
>
> On Thu, Oct 13, 2011 at 3:28 PM, Harlan Lieberman-Berg
> <hliebermanberg@chitika.com> wrote:
>> My understanding is that ZIP+4 isolates you to about a city block of
>> houses, an apartment complex, or a business that is somehow high
>> volume - except for P.O. boxes, where it isolates to a single box.
>>
>> --
>> Harlan Lieberman-Berg
>> Director of Operations
>> Chitika, Inc.
>>
>> On Oct 13, 2011 3:08 PM, "Steingruebl, Andy"
>> <asteingruebl@paypal-inc.com> wrote:
>>>
>>> Do you know off the top of your head how many people are uniquely
> identifiable by just their zip+4?† Anyone?† Iím not asking in addition to
> other data, just about zip+4 btw.
>>>
>>>
>>>
>>> --
>>>
>>> Andy Steingruebl
>>>
>>> Sr. Manager, Internet Standards and Governance
>>>
>>> PayPal Information Risk Management
>>>
>>> (408) 967-4650
>>>
>>>
>>>
>>> From: public-privacy-request@w3.org
> [mailto:public-privacy-request@w3.org] On Behalf Of Ashkan Soltani
>>> Sent: Thursday, October 13, 2011 11:21 AM
>>> To: Richard Barnes
>>> Cc: Perez, Aram; public-privacy (W3C mailing list)
>>> Subject: Re: Privacy alert: Verizon is now monitoring your mobile Web
> habits
>>>
>>>
>>>
>>> My understanding is that VZ is using subscriber's addresses in order to
> tag http traffic with ZIP+4, which is then later shared with advertisers
> (similar to
> Feeva†http://www.wired.com/epicenter/2010/06/coming-soon-web-ads-tailored-to
> -your-zip-4/all/1†)
>
>>>
>>>
>>
>>
>>
>
>
Received on Sunday, 16 October 2011 03:23:31 GMT

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