A tracking technique that creates sophisticated digital fingerprints of Web users has emerged from the banking sector and seems poised to enter the wider Web. PCWorld reports on the browser fingerprinting method, which was developed originally to help banks detect online fraud but is now being sold as a Web service. The method involves the collection of identifying data on one's browser in addition to biometric identifiers such as typing speed and patterns, the report states. It has the attention of the Electronic Frontier Foundation, which describes the legality of the method as fuzzy.
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