Vast majority of web traffic is netflix and video streaming, if scoped properly to text messaging only, would be trivial amount of data per person.

The NSA is said to have 5 zettabytes at their data center in Utah[1]. It’s been rumored they could take a snapshot (I’ve heard 30 days) of the internet and process it there. Not sure if they meant the US internet or everything they consumed combined. All rumors except my one link.

[1] https://www.npr.org/sections/alltechconsidered/2013/09/23/22...