The Sydney Morning Herald reports that the Web sites of several political figures commonly plant cookies on visitors' computers in order to track Internet movement and serve more targeted ads. The Web sites of two political candidates and one political party planted Flash cookies that are capable of storing more data than typical cookies, have no expiration date and are stored on an external server, which makes them difficult to delete, the report states. Privacy Commissioner Timothy Pilgrim said aggregated data might enable user identification. "Unless you've got a detector or know what you're looking for, you won't know they're there," said one expert.
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