theintercept: The Surveillance Engine: How the NSA Built Its Own Secret Google

The National Security Agency is secretly providing data to nearly two
dozen U.S. government agencies with a "Google-like" search engine built
to share more than 850 billion records about phone calls, emails,
cellphone locations, and internet chats, according to classified
documents obtained by The Intercept.

https://firstlook.org/theintercept/article/2014/08/25/icreach-nsa-cia-secret-google-crisscross-proton/