Identity 2.0

Dick Hardt dick at
Wed Mar 1 17:04:18 UTC 2006

Hi Petra

There are a few different models on how your email address and postal  
address can be provided to Amazon. One of the concepts behind  
Identity 2.0 is enabling the user to easily provide identity data.

The model you describe below is what I would call a "pull" model,  
where Amazon is pulling the data from your identifier. I'm a  
proponent of the "push" model, where the user sees what Amazon is  
asking for, and can select which information to release.

-- Dick

On 1-Mar-06, at 8:53 AM, Petra Sütterlin wrote:

> Dick,
> did I understand the following right?:
> I have an e-mail account and a post-adress on my own website. They  
> are for example marked with tags (similar to the tags in the html- 
> header in which I write the servername (i.e.: <link  
> rel="openid.server" href="">)).  
> Because of that the amazon-server searches this one and asks me to  
> release the informations from there.
> And YADIS offers the possibility, that I'm not anymore dependent to  
> a special ID 2.0-modell and I have the free choice.
> It does it like that, because it knows that openID marks the e-mail- 
> adress with a name-tag, while TypeKey or Sxip uses "e-mail-adress"  
> for it.
> Am I right?
> And thanks! Mike Neuenschwander already send me his report.
> Petra
> Hi Petra
> Identity 1.0 is a domain-centric model.
> If ebay and amazon were using an ID2.0 model, then they may still  
> require your email and post address, but rather then having to type  
> them in, you would be prompted to release them.
> The Burton group has a report on user centric identity. Mike  
> Neuenschwander is the author. It is not a public document, but you  
> can ask Mike (cc'ed) about it.
> -- Dick
> On 28-Feb-06, at 1:25 PM, Petra Sütterlin wrote:
>> Hello to everybody,
>> Many thanks for the immediate answer and the links. I'm surprised  
>> how good the subject already has been presentated. I did not  
>> expect it like this.
>> What I am still looking for is more general information about  
>> ID2.0 because I will probably have to answer the following questions:
>> -What is the difference between ID 1.0 and ID 2.0 ?
>> -If e-bay and amazon also applied the ID 2.0 system, will I still  
>> have to submit my e-mail and postadress? And in this case I just  
>> don't have to fill in password and Username?
>> Maybe the answers are already hidden in the links, but I did not  
>> find them, yet.
>> Best regards and happy greetings from germany
>> Petra Sütterlin
>> Philognosie
>> My-Lands

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