Maybe not so Area 51-ish? A bit of a long read, but very enlightening.
"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."
https://www.wired.com/story/inside-the-nsas-secret-tool-for-mapping-your-social-network/
https://republicanfreedom.com/2020/...omnipresent-horrifying-than-snowden-revealed/
"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."
https://www.wired.com/story/inside-the-nsas-secret-tool-for-mapping-your-social-network/
https://republicanfreedom.com/2020/...omnipresent-horrifying-than-snowden-revealed/