[OpenID] PR: OpenID.co.uk - "MobileNumber.OpenID.co.uk" as URI

Greg Martin gmartin at gmartin.org
Thu Feb 8 03:15:41 UTC 2007

Can't the same things be said of most identifiers in our lives?

Maybe I use a nickname for my openID. It could be meaningless to others, 
but not me (and I would argue my phone number is not meaningless to me). 
It certainly isn't unique and isn't permanently attached to me. Even my 
name isn't permanently attached (at l east in the US you can pay to 
change it).


Martin Atkins wrote:
> Mark Cross wrote:
>> Martin,
>> Because if you take a mobile phone number it creates a 1-to-1 relationship, 
>> there are intesting methods to verify you as the "user"of the phone. SMS and 
>> incoming call line identification for example..
>> As mobile phone number is 1-to-1 there are no "dispute resolution" issues, 
>> which plagues Nominet UK. (Our .co.uk top level domain authority.) 
>> www.nic.uk
> * Telephone numbers are meaningless and unmemorable
> * Telephone numbers have an undesirable operation that can be performed 
> on them: they can be used to make that thing in my pocket buzz and ring.
> * Phone numbers are not permanently attached to a person. While I've 
> successfully maintained the same phone number for my entire 
> mobile-phone-using life so far, I think I'm the only person I know who 
> has managed that.
> If you wish to use a phone call or SMS message as a prerequisite for 
> signing up — in similar vein to email verification — then fine, but I 
> really don't like the idea of using telephone numbers as identifiers.
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