Push notifications don't use the UDID. They use a different token. UDIDs can be ...

		objclxt on Sept 4, 2012 \| parent \| context \| favorite \| on: The UDID leak is a privacy catastrophe Push notifications don't use the UDID. They use a different token. UDIDs can be requested without user consent by applications, although that functionality is supposedly deprecated from iOS 5 onwards.

thanks for clarifying