More to explore:
Facebook and Google deny knowledge of top secret government spying initiative PRISM #News
The National Security Agency has obtained access to the central servers of nine major Internet companies — including Google, Microsoft, Apple, Yahoo! and Facebook. The Guardian and The Washington Post revealed the top-secret program, codenamed PRISM, after they obtained several slides from a 41-page training presentation for senior intelligence analysts. It explains how PRISM allows them to access emails, documents, audio and video chats, photographs, documents and connection logs.
NSA slides explain the PRISM data-collection program - Washington Post 6/8/13