[USA] NSA's 20% metadata collection

National Security Agency (NSA) wrote:"NSA bulk metadata program doesn’t cover cellphones"

ArsTechnica wrote:Last summer, the United States was rocked by the first revelation to come from whistleblower Edward Snowden: Verizon (and likely other companies) routinely hands over millions of records on Americans' telephony metadata to the National Security Agency. Some in Congress have subsequently slammed the program, which is widely believed to collect such metadata on all Americans.