The Wall Street Journal reports on research suggesting that unique smartphone identifiers can be linked with other information to allow third parties access to personal information without users' consent. "The identifiers--long strings of numbers and letters associated with the phone--don't themselves hold any information about users," the report states, but New Zealand-based researcher Aldo Cortesi has found that U.S. gaming company OpenFeint "connected the IDs to users' locations and Facebook profiles and then made the combined data available to outsiders." Although the company has since fixed those issues, Cortesi has noted it is likely that other databases also link the unique IDs with other user information. (Registration may be required to access this story.)
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