Inside the NSA’s Secret Tool for Mapping Your Social Network

Edward Snowden revealed the agency’s phone-record tracking program. But thanks to “precomputed contact chaining,” that database was much more powerful than anyone knew.

A very insightful read on more precisely what our NSA has been up to and what it actually means to every American.

https://www.wired.com/story/inside-the-nsas-secret-tool-for-mapping-your-social-network/