Glenn Greenwald: XKeyscore: NSA Tool Collects 'Nearly Everything A User Does On The Internet'

http://www.theguardian.com/world/2013/jul/31/nsa-top-secret-program-online-data

• XKeyscore gives 'widest-reaching' collection of online data
• NSA analysts require no prior authorization for searches
• Sweeps up emails, social media activity and browsing history
• NSA's XKeyscore program – read one of the presentations