The newly published top-secret documents, which the newspaper has released with some redactions, give further details of how  Prism interfaces with the nine companies, which include such giants as Google, Microsoft and Apple.

 

According to annotations to the slides by the Washington Post, the new material shows how the FBI "deploys government equipment on private company property to retrieve matching information from a participating company, such as Microsoft or Yahoo and pass it without further review to the  NSA".