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Some Yahoo users close accounts amid fears breach could have ripple effects
Many Yahoo users rushed on Friday to close their accounts and change passwords as experts warned that the fallout from one of the largest cyber breaches in history could spill beyond the internet company's services.
Yahoo CEO fears defying NSA could mean prison
Yahoo chief Marissa Mayer said she feared winding up in prison for treason if she refused to comply with US spy demands for data.
