Point well taken. I do often sometimes forget about the enterprise side of 
things. 

(Sent from my iPad.)

--
Conrad Shultz

On Dec 22, 2011, at 19:23, John Joyce <[email protected]> 
wrote:

>>> Thanks
>>> I will use the UUID or DeviceID instead of the phone number.
>> 
>> The device ID (UIDevice's -uniqueIdentifier) is deprecated in iOS 5.
>> Don't use it.  (As you can probably gather, Apple is rightfully keen on
>> preventing developers from trying to track users in non-anonymized ways.)
>> 
>> CFUUID is fine, but keep in mind that if you are storing it in
>> NSUserDefaults then this presumably is not actually device-specific but
>> app-specific, in the sense that a backup-and-restore ought to preserve
>> the NSUserDefaults database across devices (say, if the user upgrades
>> from an older iPhone to a newer one).
>> 
>> Now, you haven't said *why* you are doing all this.  I can't think of a
>> good reason why you would need a true device identifier in your
>> application, so hopefully the above caveat won't affect you.
>> 
>> If you would like, perhaps you can elaborate on your goal?
>> 
> We should keep in mind that this could be an enterprise app that would not 
> necessarily be for sale on the App Store.
> Enterprises can distribute iOS apps (along with a Profile) independently of 
> the App Store.
> (OS X server is one method.)
> So, perhaps, some asset tracking system?
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