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FILE - This Oct. 17, 2012, photo, shows a sign in front of Yahoo! headquarters in Sunnyvale, Calif. Yahoo says the government threatened to fine the company $250,000 a day if it did not comply with demands to go along with an expansion of U.S. surveillance laws by surrendering online information, a step the company regarded as unconstitutional. (AP Photo/Marcio Jose Sanchez, File)