ECHELON

The five-nation ear on the world's phone calls — dismissed as myth until Parliament confirmed it.

Dismissed for two decades as paranoid mythology, until the European Parliament's 2001 report confirmed the architecture: five nations, intercept stations named like resorts (Menwith Hill, Pine Gap), and a keyword dictionary system scanning civilian traffic. The report's driest finding was the loophole — allies legally spying on each other's citizens and swapping the take. Snowden's slides, a decade later, were just the software update.