NYTimes: N.S.A. Triples Collection of Data From U.S. Phone Companies by Charlie Savage:
The National Security Agency vacuumed up more than 534 million records of phone calls and text messages from American telecommunications providers like AT&T and Verizon last year – more than three times what it collected in 2016, a new report revealed on Friday. Intelligence analysts are also more frequently searching for information about Americans within the agency’s expanding collection of so-called call detail records – telecom metadata logging who contacted whom and when, but not the contents of what they said.