Mother Jones
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This story first appeared on the ProPublica website.
There have been a lot of news stories about NSA surveillance programs following the leaks of secret documents by Edward Snowden. But it seems the more we read, the less clear things are. We’ve put together a detailed snapshot of what’s known and what’s been reported where.
What information does the NSA collect and how?
We don’t know all of the different types of information the NSA collects, but several secret collection programs have been revealed:
A record of most calls made in the United States, including the telephone number of the phones making and receiving the call, and how long the call lasted. This information is known as “metadata” and doesn’t include a recording of the actual call (but see below). This program was revealed through a leaked secret court order instructing Verizon to turn over all such information on a daily basis. Other phone companies, including AT&T and Sprint, also reportedly give their records to the NSA on a continual basis. All together, this is several billion calls per day.
Source –
FAQ: What You Need to Know About the NSA’s Surveillance Programs