Twitter sues U.S. government over national security data

CNN: Twitter is suing the U.S. government in an effort to loosen restrictions on what the social media giant can say publicly about the national security-related requests it receives for user data.

The company filed a lawsuit against the Justice Department on Monday in a federal court in northern California, arguing that its First Amendment rights are being violated by restrictions that forbid the disclosure of how many national security letters and Foreign Intelligence Surveillance Act court orders it receives -- even if that number is zero.

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