that extract the UDID and email it. In 2011, Apple informed developers that it would be eliminating the iPhone UDID in the future, because the UDID can be associated with names, phone numbers and ...

If you don’t know what this refers to, wikipedia can explain it. Anyone running Apple’s iOS has a software-readable serial number – a “Unique Device Identifier,” or UDID. Eric Smith, a Bucknell ...