Software developers who build programs for Apple's operating system have been asked by the company to avoid using unique device identifiers (UDID) in software for its iPhones and iPads, The Wall Street Journal reports. UDIDs make it easier for advertising networks, analytics firms and others to observe and track users' online behavior. A deadline for the change has not been specified, but the company's website tells developers that the tracking tool "has been superseded and may become unsupported in the future." The Center for Democracy & Technology's Justin Brookman said, "I want to see how this all plays out, but at first glance, this is a really good result for consumers." (Registration may be required to access this story.)
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