NSA global surveillance network knows all?

Two Part Series from The Intercept [Part 1 – XKEYSCORE: NSA’s Google for the World’s Private Communications] and Part 2 – Behind the Curtain A Look at the Inner Workings of NSA’s XKEYSCORE

“The sheer quantity of communications that XKEYSCORE [global Internet surveillance network run by NSA] processes, filters and queries is stunning. Around the world, when a person gets online to do anything — write an email, post to a social network, browse the web or play a video game — there’s a decent chance that the Internet traffic her device sends and receives is getting collected and processed by one of XKEYSCORE’s hundreds of servers scattered across the globe.”