As promised, today’s Guardian has a front page story by Glenn Greenwald about yet another NSA program, this one called XKeyscore, an NSA tool that collects “nearly everything a user does on the internet”.
A top secret National Security Agency program allows analysts to search with no prior authorization through vast databases containing emails, online chats and the browsing histories of millions of individuals, according to documents provided by whistleblower Edward Snowden.
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The purpose of XKeyscore is to allow analysts to search the metadata as well as the content of emails and other internet activity, such as browser history, even when there is no known email account (a “selector” in NSA parlance) associated with the individual being targeted.