Ad Networks Bypass iPhone Privacy Rules

Please raise your hand if this comes as a surprise to you. Someone will be along shortly with your helmet, crayons and apple sauce.

To avoid the limits of Apple's rules, ad networks that serve advertisements within mobile apps have started using new identifiers that collect information like location and preferences as the user moves across apps. One of the tracking systems is based on a unique identifier located in the iPhone's wireless networking hardware—a system known as Open Device Identification Number, or ODIN. The other prominent tracking alternative, called OpenUDID, uses the device's built-in copy-and-paste function.

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