iOS6 UDID – What advantages does identifierForVendor have over identifierForAdvertising?

Important Note:

Apple just released iOS 6.0 and the NDA has been lifted.

For developers who preemptively included code that referenced

[[UIDevice currentDevice] identifierForAdvertising]

this method has NOT been included on iOS 6. If you use the above method, your app will (most likely) crash and be rejected!

Instead, Apple has created a new class ASIdentifierManager , which includes the method advertisingIdentifier. Here’s the apple docs on it:

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