Репост из: Hacker News
NSA “precomputed contact chaining” enhances phone-record tracking program (Score: 100+ in 5 hours)
Link: https://readhacker.news/s/4nDbf
Comments: https://readhacker.news/c/4nDbf
Link: https://readhacker.news/s/4nDbf
Comments: https://readhacker.news/c/4nDbf