Sen. Al Franken grilled a Facebook Inc. executive on the company’s facial-recognition technology, urging the giant social network to be more upfront about how it is creating "face prints" of its users. Franken, a Minnesota Democrat, said it takes six clicks to reach a page on Facebook that explicitly says that the company is using facial-recognition technology. He held up placards with text from the site at a hearing of the Senate Judiciary Subcommittee on Privacy, Technology and the Law, which he chairs.
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