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Apple begins rejecting apps that use the UDID

Apple has begun rejecting all apps that make use of the UDID, or Unique Device Identifier, which is a number that is given to every iOS device that is basically used as the devices serial number. They are doing this largely due to privacy concerns since it became apparent in 2010 that numerous apps were “transmitting transmitting user data back to their own servers. Some of those apps associated real names in plain text.” Because of this, it was possible to identify the user of the app even without a specific username or address which is an obvious privacy concern to many users.

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