Telecommunications company challenged NSA 's data collection , papers said . The newly released documents show customers pressed NSA to prove legality in 2010 . Some technology companies have complained that their compliance , under court order , with U.S. surveillance programs has caused customers to distrust them and could harm their business and the U.S. economy . The companies had been criticized for not protecting customers ' privacy .
Telecommunications company challenged NSA 's data collection , papers said . The newly released documents show customers pressed NSA to prove legality in 2010 . The companies had been criticized for not protecting customers ' privacy .