http://www.engadget.com/2013/10/30/nsa-muscular/
[quote]It's a top secret plan with a fittingly supervillain-esque codename: MUSCULAR. That tool, part of a partnership between the NSA and the UK's GCHQ, has been used to infiltrate Google and Yahoo data centers across the world, according to documents revealed by Edward Snowden and confirmed by sources at The Washington Post. [b][u]It's a breach of privacy that could affect hundreds of millions of users,[/u][/b] one that neither company was apparently privy to, in spite of the NSA's history of court-ordered data access with both.[/quote]