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WASHINGTON (Reuters) - The U.S. National Security Agency collected 534 million records of phone calls and text messages of Americans last year, more than triple gathered in 2016, a U.S. intelligence agency report released on Friday said.==

https://www.reuters.com/article/us-usa-cyber-surveillance/spy-agency-nsa-collected-500-million-u-s-call-records-in-2017-a-sharp-rise-official-report-idUSKBN1I52FR