http://www.documentcloud.org/documents/743252-nsa-pdfs-redacted-ed.html
http://s3.documentcloud.org/documents/743252/nsa-pdfs-redacted-ed.pdf
Related article that discusses all this material
http://www.theguardian.com/world/2013/jul/31/nsa-top-secret-program-online-data
XKeyscore: NSA tool collects 'nearly everything a user does on the internet'
• XKeyscore gives 'widest-reaching' collection of online data- theguardian.com, Wednesday 31 July 2013 13.56 BST