XKeyscore (XKS) is the search engine interface that interacts with all NSA federated databases for the collected Internet traffic, communicated data and phone metadata of private citizens. XKS is used to search the big data collection.
Similarly, you may ask, who did Snowden work with?
Snowden's Leaks. During his years of IT work, Snowden had noticed the far reach of the NSA's everyday surveillance. While working for Booz Allen, Snowden began copying top-secret NSA documents, building a dossier on practices that he found invasive and disturbing.
What is the NSA do?
The term NSA is most often used when discussing a type of relationship someone is looking for. It quite simply means “No Strings Attached.” It can often be used outside of online dating such as when someone is offering something to someone else, but with nothing expected in return.
What are the Wikileaks?
Wikileaks is a self-described “not-for-profit media organization,” launched in 2006 for the purposes of disseminating original documents from anonymous sources and leakers. Its website says: “Wikileaks will accept restricted or censored material of political, ethical, diplomatic or historical significance.