NSA maps out a person's social connections

For almost three years the National Security Agency has been tapping the data it collects to map out some Americans' social connections, allowing the government to identify their associates, their locations at certain times, their traveling companions and other personal information, The New York Times reported.

Citing documents provided by former NSA systems analyst Edward Snowden, the Times reported that the NSA began allowing the analysis of phone call and e-mail logs in November 2010 to examine some Americans' networks of associations for foreign intelligence purposes after NSA officials lifted restrictions on the practice. The newspaper posted the report on its website Saturday.

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