marathon on Nostr: #Privacy Not a new story, but still relevant. How they keep tabs using only metadata, ...

#Privacy Not a new story, but still relevant. How they keep tabs using only metadata, on everyone.

Inside the NSA’s Secret Tool for Mapping Your Social Network | WIRED
https://www.wired.com/story/inside-the-nsas-secret-tool-for-mapping-your-social-network