It wasnt touted on-stage, but a new iOS 8 feature is set to cause havok for location trackers, and score a major win for privacy. As spotted by Frederic Jacobs, the changes have to do with the MAC address used to identify devices within networks. When iOS 8 devices look for a connection, they randomize that address, effectively disguising any trace of the real device. Any phone using iOS 8 will be invisible to the process But any phone using iOS 8 will be invisible to the process, potentially calling the whole system into question.
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