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06/27/2013 In the document 20130627-theguardian__2007_memo_on_us_person_metadata.pdf, we learn

  • Any foreign person can be targeted by the American intelligence services The following information concerns NON-AMERICAN people
  • The NSA analyzes the metadata of communication media such as
    • Telephone calls
    • Telephone communications
  • The NSA performs "Contact Chaining" which in fact constitutes "Creating a chain of contacts that connects communicants and identifies telephone numbers, IP addresses and e-mail addresses of interest for intelligence."