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"Biometric security has been employed in computers for a number of years, but until recently the sheer mention it being used in a smartphone may have brought funny looks. However, with ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/mobile/2012/12/04/pipa-touch-hits-indiegogo-to-add-biometric-smartphone-security-to-apple-samsung-smartphones/>